Add BGMMusic files to the Xcode project.

Also, add BGMMusic to BGMMusicPlayers and add the Scripting Bridge
header for Music.app.

Resolves #216.

BGMApp/BGMApp.xcodeproj/project.pbxproj

@@ -9,8 +9,11 @@
 /* Begin PBXBuildFile section */
 		19FE7071FF5280BC38F35E1D /* BGMVolumeChangeListener.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 19FE7179EBFA116F3861E79D /* BGMVolumeChangeListener.cpp */; };
 		19FE719951725A698A419CBA /* BGMVolumeChangeListener.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 19FE7179EBFA116F3861E79D /* BGMVolumeChangeListener.cpp */; settings = {COMPILER_FLAGS = "-frandom-seed=BGMApp-BGMVolumeChangeListener.cpp"; }; };
+		19FE72566BCEB11BD1F3D487 /* BGMMusic.m in Sources */ = {isa = PBXBuildFile; fileRef = 19FE73822ADD50BA9120AB05 /* BGMMusic.m */; };
+		19FE76F614F260F3F65AF550 /* BGMMusic.m in Sources */ = {isa = PBXBuildFile; fileRef = 19FE73822ADD50BA9120AB05 /* BGMMusic.m */; };
 		19FE77608F6C80D0B1F595A7 /* BGMStatusBarItem.mm in Sources */ = {isa = PBXBuildFile; fileRef = 19FE774DD758EC163EF4F28C /* BGMStatusBarItem.mm */; };
 		19FE7921FD1B6C037429ECA4 /* BGMStatusBarItem.mm in Sources */ = {isa = PBXBuildFile; fileRef = 19FE774DD758EC163EF4F28C /* BGMStatusBarItem.mm */; };
+		19FE7B32E1214BA0E8166A9E /* BGMMusic.m in Sources */ = {isa = PBXBuildFile; fileRef = 19FE73822ADD50BA9120AB05 /* BGMMusic.m */; };
 		19FE7DFF63F69E77C53BF95E /* BGMVolumeChangeListener.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 19FE7179EBFA116F3861E79D /* BGMVolumeChangeListener.cpp */; };
 		19FE7F77376562C179449013 /* BGMStatusBarItem.mm in Sources */ = {isa = PBXBuildFile; fileRef = 19FE774DD758EC163EF4F28C /* BGMStatusBarItem.mm */; settings = {COMPILER_FLAGS = "-frandom-seed=BGMApp-BGMStatusBarItem.mm"; }; };
 		1C0BD0A51BF1A8E6004F4CF5 /* BGMAutoPauseMusicPrefs.mm in Sources */ = {isa = PBXBuildFile; fileRef = 1C0BD0A41BF1A8E6004F4CF5 /* BGMAutoPauseMusicPrefs.mm */; settings = {COMPILER_FLAGS = "-frandom-seed=BGMApp-BGMAutoPauseMusicPrefs.mm"; }; };
@@ -224,7 +227,9 @@
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXFileReference section */
+		19FE70CF6C93F5007940CE91 /* BGMMusic.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = BGMMusic.h; path = "Music Players/BGMMusic.h"; sourceTree = "<group>"; };
 		19FE7179EBFA116F3861E79D /* BGMVolumeChangeListener.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = BGMVolumeChangeListener.cpp; sourceTree = "<group>"; };
+		19FE73822ADD50BA9120AB05 /* BGMMusic.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = BGMMusic.m; path = "Music Players/BGMMusic.m"; sourceTree = "<group>"; };
 		19FE774DD758EC163EF4F28C /* BGMStatusBarItem.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = BGMStatusBarItem.mm; sourceTree = "<group>"; };
 		19FE799A86A285DD9423D164 /* BGMStatusBarItem.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BGMStatusBarItem.h; sourceTree = "<group>"; };
 		19FE7FDAEBC3F0DB8C99823B /* BGMVolumeChangeListener.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BGMVolumeChangeListener.h; sourceTree = "<group>"; };
@@ -330,6 +335,7 @@
 		1CD1FD2F1BDDEAF2004F7E1B /* AudioToolbox.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = AudioToolbox.framework; path = System/Library/Frameworks/AudioToolbox.framework; sourceTree = SDKROOT; };
 		1CD410D21F9EDDAD0070A094 /* BGMAppVolumesController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = BGMAppVolumesController.h; sourceTree = "<group>"; };
 		1CD410D31F9EDDAD0070A094 /* BGMAppVolumesController.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = BGMAppVolumesController.mm; sourceTree = "<group>"; };
+		1CDE224022CBB95B0008E3AC /* Music.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = Music.h; path = "Music Players/Music.h"; sourceTree = "<group>"; };
 		1CE7064A1BF1EC0600BFC06D /* BGMOutputDeviceMenuSection.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BGMOutputDeviceMenuSection.h; sourceTree = "<group>"; };
 		1CE7064B1BF1EC0600BFC06D /* BGMOutputDeviceMenuSection.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = BGMOutputDeviceMenuSection.mm; sourceTree = "<group>"; };
 		1CEACF4E1F34A30000FEC143 /* Mock_CAHALAudioSystemObject.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = Mock_CAHALAudioSystemObject.cpp; path = UnitTests/Mock_CAHALAudioSystemObject.cpp; sourceTree = "<group>"; };
@@ -537,6 +543,8 @@
 				1C9258462090287F00B8D3A6 /* BGMGooglePlayMusicDesktopPlayerConnection.m */,
 				1C2336DB1BEAB73F004C1C4E /* BGMiTunes.h */,
 				1C4699461BD5C0E400F78043 /* BGMiTunes.m */,
+				19FE70CF6C93F5007940CE91 /* BGMMusic.h */,
+				19FE73822ADD50BA9120AB05 /* BGMMusic.m */,
 				1C2336DD1BEAE10C004C1C4E /* BGMSpotify.h */,
 				1C2336DE1BEAE10C004C1C4E /* BGMSpotify.m */,
 				279F48751DD6D73900768A85 /* BGMHermes.h */,
@@ -719,6 +727,7 @@
 				27F7D4911D2484A300821C4B /* Decibel.h */,
 				279F48781DD6D94000768A85 /* Hermes.h */,
 				27379B851C7C54870084A24C /* iTunes.h */,
+				1CDE224022CBB95B0008E3AC /* Music.h */,
 				1C8D830D2042F25C00A838F2 /* GooglePlayMusicDesktopPlayer.js */,
 				27379B861C7C54870084A24C /* Spotify.h */,
 				1C8D8301204238DB00A838F2 /* Swinsian.h */,
@@ -1055,6 +1064,7 @@
 				1C1465B81BCC3A73003AEFE6 /* BGMAutoPauseMusic.mm in Sources */,
 				19FE7F77376562C179449013 /* BGMStatusBarItem.mm in Sources */,
 				19FE719951725A698A419CBA /* BGMVolumeChangeListener.cpp in Sources */,
+				19FE72566BCEB11BD1F3D487 /* BGMMusic.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -1117,6 +1127,7 @@
 				1C2FC3151EC706E000A76592 /* BGMAppDelegate+AppleScript.mm in Sources */,
 				19FE7921FD1B6C037429ECA4 /* BGMStatusBarItem.mm in Sources */,
 				19FE7DFF63F69E77C53BF95E /* BGMVolumeChangeListener.cpp in Sources */,
+				19FE7B32E1214BA0E8166A9E /* BGMMusic.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -1195,6 +1206,7 @@
 				19FE77608F6C80D0B1F595A7 /* BGMStatusBarItem.mm in Sources */,
 				19FE7071FF5280BC38F35E1D /* BGMVolumeChangeListener.cpp in Sources */,
 				1C9258492090287F00B8D3A6 /* BGMGooglePlayMusicDesktopPlayerConnection.m in Sources */,
+				19FE76F614F260F3F65AF550 /* BGMMusic.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

BGMApp/BGMApp/Music Players/BGMMusic.h

@@ -17,17 +17,19 @@
 //  BGMMusic.h
 //  BGMApp
 //
-//  Copyright © 2016-2019 Kyle Neideck, theLMGN
+//  Copyright © 2016, 2019 Kyle Neideck
+//  Copyright © 2019 theLMGN
 //
 
 // Superclass/Protocol Import
 #import "BGMMusicPlayer.h"
 
 
+#pragma clang assume_nonnull begin
+
 @interface BGMMusic : BGMMusicPlayerBase<BGMMusicPlayer>
 
-// The music player ID (see BGMMusicPlayer.h) used by BGMiTunes instances. (Though BGMApp only ever creates one instance of
-// BGMiTunes, sharedMusicPlayerID is exposed so iTunes can be set as the default music player.)
-+ (NSUUID*) sharedMusicPlayerID;
-
 @end
+
+#pragma clang assume_nonnull end
+

BGMApp/BGMApp/Music Players/BGMMusic.m

@@ -40,7 +40,8 @@
 }
 
 + (NSUUID*) sharedMusicPlayerID {
-    NSUUID* __nullable musicPlayerID = [[NSUUID alloc] initWithUUIDString:@"7B62B5BF-CF90-4938-84E3-F16DEDC3F608"];
+    NSUUID* __nullable musicPlayerID =
+            [[NSUUID alloc] initWithUUIDString:@"829B8069-8BD2-481D-BD40-54AB8CDAE228"];
     NSAssert(musicPlayerID, @"BGMMusic::sharedMusicPlayerID: !musicPlayerID");
     return (NSUUID*)musicPlayerID;
 }
@@ -55,7 +56,7 @@
     return self;
 }
 
-- (MusicApplication* __nullable) Music {
+- (MusicApplication* __nullable) music {
     return (MusicApplication*)scriptingBridge.application;
 }
 
@@ -65,18 +66,19 @@
 }
 
 - (BOOL) isRunning {
-    return self.Music.running;
+    return self.music.running;
 }
 
-// isPlaying and isPaused check self.running first just in case Music is closed but self.Music hasn't become
+// isPlaying and isPaused check self.running first just in case Music is closed but self.music
-// nil yet. In that case, reading self.Music.playerState could make Scripting Bridge open Music.
+// hasn't become nil yet. In that case, reading self.music.playerState could make Scripting Bridge
+// open Music.
 
 - (BOOL) isPlaying {
-    return self.running && (self.Music.playerState == MusicEPlSPlaying);
+    return self.running && (self.music.playerState == MusicEPlSPlaying);
 }
 
 - (BOOL) isPaused {
-    return self.running && (self.Music.playerState == MusicEPlSPaused);
+    return self.running && (self.music.playerState == MusicEPlSPaused);
 }
 
 - (BOOL) pause {
@@ -85,7 +87,7 @@
     
     if (wasPlaying) {
         DebugMsg("BGMMusic::pause: Pausing Music");
-        [self.Music pause];
+        [self.music pause];
     }
     
     return wasPlaying;
@@ -97,7 +99,7 @@
     
     if (wasPaused) {
         DebugMsg("BGMMusic::unpause: Unpausing Music");
-        [self.Music playpause];
+        [self.music playpause];
     }
     
     return wasPaused;
@@ -106,3 +108,4 @@
 @end
 
 #pragma clang assume_nonnull end
+

BGMApp/BGMApp/Music Players/BGMMusicPlayers.mm

@@ -34,6 +34,7 @@
 #import "BGMDecibel.h"
 #import "BGMHermes.h"
 #import "BGMSwinsian.h"
+#import "BGMMusic.h"
 #import "BGMGooglePlayMusicDesktopPlayer.h"
 
 
@@ -56,7 +57,8 @@
                                                    [BGMiTunes class],
                                                    [BGMDecibel class],
                                                    [BGMHermes class],
-                                                   [BGMSwinsian class] ];
+                                                   [BGMSwinsian class],
+                                                   [BGMMusic class] ];
 
     // We only support Google Play Music Desktop Player on macOS 10.10 and higher.
     if (@available(macOS 10.10, *)) {

BGMApp/BGMApp/Music Players/Music.h

@@ -0,0 +1,545 @@
+/*
+ * Music.h
+ *
+ * Generated with
+ * sdef /System/Applications/Music.app | sdp -fh --basename Music
+ */
+
+#import <AppKit/AppKit.h>
+#import <ScriptingBridge/ScriptingBridge.h>
+
+
+@class MusicApplication, MusicItem, MusicAirPlayDevice, MusicArtwork, MusicEncoder, MusicEQPreset, MusicPlaylist, MusicAudioCDPlaylist, MusicLibraryPlaylist, MusicRadioTunerPlaylist, MusicSource, MusicSubscriptionPlaylist, MusicTrack, MusicAudioCDTrack, MusicFileTrack, MusicSharedTrack, MusicURLTrack, MusicUserPlaylist, MusicFolderPlaylist, MusicVisual, MusicWindow, MusicBrowserWindow, MusicEQWindow, MusicMiniplayerWindow, MusicPlaylistWindow, MusicVideoWindow;
+
+enum MusicEKnd {
+	MusicEKndTrackListing = 'kTrk' /* a basic listing of tracks within a playlist */,
+	MusicEKndAlbumListing = 'kAlb' /* a listing of a playlist grouped by album */,
+	MusicEKndCdInsert = 'kCDi' /* a printout of the playlist for jewel case inserts */
+};
+typedef enum MusicEKnd MusicEKnd;
+
+enum MusicEnum {
+	MusicEnumStandard = 'lwst' /* Standard PostScript error handling */,
+	MusicEnumDetailed = 'lwdt' /* print a detailed report of PostScript errors */
+};
+typedef enum MusicEnum MusicEnum;
+
+enum MusicEPlS {
+	MusicEPlSStopped = 'kPSS',
+	MusicEPlSPlaying = 'kPSP',
+	MusicEPlSPaused = 'kPSp',
+	MusicEPlSFastForwarding = 'kPSF',
+	MusicEPlSRewinding = 'kPSR'
+};
+typedef enum MusicEPlS MusicEPlS;
+
+enum MusicERpt {
+	MusicERptOff = 'kRpO',
+	MusicERptOne = 'kRp1',
+	MusicERptAll = 'kAll'
+};
+typedef enum MusicERpt MusicERpt;
+
+enum MusicEShM {
+	MusicEShMSongs = 'kShS',
+	MusicEShMAlbums = 'kShA',
+	MusicEShMGroupings = 'kShG'
+};
+typedef enum MusicEShM MusicEShM;
+
+enum MusicESrc {
+	MusicESrcLibrary = 'kLib',
+	MusicESrcIPod = 'kPod',
+	MusicESrcAudioCD = 'kACD',
+	MusicESrcMP3CD = 'kMCD',
+	MusicESrcRadioTuner = 'kTun',
+	MusicESrcSharedLibrary = 'kShd',
+	MusicESrcITunesStore = 'kITS',
+	MusicESrcUnknown = 'kUnk'
+};
+typedef enum MusicESrc MusicESrc;
+
+enum MusicESrA {
+	MusicESrAAlbums = 'kSrL' /* albums only */,
+	MusicESrAAll = 'kAll' /* all text fields */,
+	MusicESrAArtists = 'kSrR' /* artists only */,
+	MusicESrAComposers = 'kSrC' /* composers only */,
+	MusicESrADisplayed = 'kSrV' /* visible text fields */,
+	MusicESrASongs = 'kSrS' /* song names only */
+};
+typedef enum MusicESrA MusicESrA;
+
+enum MusicESpK {
+	MusicESpKNone = 'kNon',
+	MusicESpKFolder = 'kSpF',
+	MusicESpKGenius = 'kSpG',
+	MusicESpKLibrary = 'kSpL',
+	MusicESpKMusic = 'kSpZ',
+	MusicESpKPurchasedMusic = 'kSpM'
+};
+typedef enum MusicESpK MusicESpK;
+
+enum MusicEMdK {
+	MusicEMdKSong = 'kMdS' /* music track */,
+	MusicEMdKMusicVideo = 'kVdV' /* music video track */,
+	MusicEMdKUnknown = 'kUnk'
+};
+typedef enum MusicEMdK MusicEMdK;
+
+enum MusicERtK {
+	MusicERtKUser = 'kRtU' /* user-specified rating */,
+	MusicERtKComputed = 'kRtC' /* iTunes-computed rating */
+};
+typedef enum MusicERtK MusicERtK;
+
+enum MusicEAPD {
+	MusicEAPDComputer = 'kAPC',
+	MusicEAPDAirPortExpress = 'kAPX',
+	MusicEAPDAppleTV = 'kAPT',
+	MusicEAPDAirPlayDevice = 'kAPO',
+	MusicEAPDBluetoothDevice = 'kAPB',
+	MusicEAPDHomePod = 'kAPH',
+	MusicEAPDUnknown = 'kAPU'
+};
+typedef enum MusicEAPD MusicEAPD;
+
+enum MusicEClS {
+	MusicEClSUnknown = 'kUnk',
+	MusicEClSPurchased = 'kPur',
+	MusicEClSMatched = 'kMat',
+	MusicEClSUploaded = 'kUpl',
+	MusicEClSIneligible = 'kRej',
+	MusicEClSRemoved = 'kRem',
+	MusicEClSError = 'kErr',
+	MusicEClSDuplicate = 'kDup',
+	MusicEClSSubscription = 'kSub',
+	MusicEClSNoLongerAvailable = 'kRev',
+	MusicEClSNotUploaded = 'kUpP'
+};
+typedef enum MusicEClS MusicEClS;
+
+@protocol MusicGenericMethods
+
+- (void) printPrintDialog:(BOOL)printDialog withProperties:(NSDictionary *)withProperties kind:(MusicEKnd)kind theme:(NSString *)theme;  // Print the specified object(s)
+- (void) close;  // Close an object
+- (void) delete;  // Delete an element from an object
+- (SBObject *) duplicateTo:(SBObject *)to;  // Duplicate one or more object(s)
+- (BOOL) exists;  // Verify if an object exists
+- (void) open;  // Open the specified object(s)
+- (void) save;  // Save the specified object(s)
+- (void) playOnce:(BOOL)once;  // play the current track or the specified track or file.
+- (void) select;  // select the specified object(s)
+
+@end
+
+
+
+/*
+ * iTunes Suite
+ */
+
+// The application program
+@interface MusicApplication : SBApplication
+
+- (SBElementArray<MusicAirPlayDevice *> *) AirPlayDevices;
+- (SBElementArray<MusicBrowserWindow *> *) browserWindows;
+- (SBElementArray<MusicEncoder *> *) encoders;
+- (SBElementArray<MusicEQPreset *> *) EQPresets;
+- (SBElementArray<MusicEQWindow *> *) EQWindows;
+- (SBElementArray<MusicMiniplayerWindow *> *) miniplayerWindows;
+- (SBElementArray<MusicPlaylist *> *) playlists;
+- (SBElementArray<MusicPlaylistWindow *> *) playlistWindows;
+- (SBElementArray<MusicSource *> *) sources;
+- (SBElementArray<MusicTrack *> *) tracks;
+- (SBElementArray<MusicVideoWindow *> *) videoWindows;
+- (SBElementArray<MusicVisual *> *) visuals;
+- (SBElementArray<MusicWindow *> *) windows;
+
+@property (readonly) BOOL AirPlayEnabled;  // is AirPlay currently enabled?
+@property (readonly) BOOL converting;  // is a track currently being converted?
+@property (copy) NSArray<MusicAirPlayDevice *> *currentAirPlayDevices;  // the currently selected AirPlay device(s)
+@property (copy) MusicEncoder *currentEncoder;  // the currently selected encoder (MP3, AIFF, WAV, etc.)
+@property (copy) MusicEQPreset *currentEQPreset;  // the currently selected equalizer preset
+@property (copy, readonly) MusicPlaylist *currentPlaylist;  // the playlist containing the currently targeted track
+@property (copy, readonly) NSString *currentStreamTitle;  // the name of the current song in the playing stream (provided by streaming server)
+@property (copy, readonly) NSString *currentStreamURL;  // the URL of the playing stream or streaming web site (provided by streaming server)
+@property (copy, readonly) MusicTrack *currentTrack;  // the current targeted track
+@property (copy) MusicVisual *currentVisual;  // the currently selected visual plug-in
+@property BOOL EQEnabled;  // is the equalizer enabled?
+@property BOOL fixedIndexing;  // true if all AppleScript track indices should be independent of the play order of the owning playlist.
+@property BOOL frontmost;  // is iTunes the frontmost application?
+@property BOOL fullScreen;  // are visuals displayed using the entire screen?
+@property (copy, readonly) NSString *name;  // the name of the application
+@property BOOL mute;  // has the sound output been muted?
+@property double playerPosition;  // the player’s position within the currently playing track in seconds.
+@property (readonly) MusicEPlS playerState;  // is iTunes stopped, paused, or playing?
+@property (copy, readonly) SBObject *selection;  // the selection visible to the user
+@property BOOL shuffleEnabled;  // are songs played in random order?
+@property MusicEShM shuffleMode;  // the playback shuffle mode
+@property MusicERpt songRepeat;  // the playback repeat mode
+@property NSInteger soundVolume;  // the sound output volume (0 = minimum, 100 = maximum)
+@property (copy, readonly) NSString *version;  // the version of iTunes
+@property BOOL visualsEnabled;  // are visuals currently being displayed?
+
+- (void) printPrintDialog:(BOOL)printDialog withProperties:(NSDictionary *)withProperties kind:(MusicEKnd)kind theme:(NSString *)theme;  // Print the specified object(s)
+- (void) run;  // Run iTunes
+- (void) quit;  // Quit iTunes
+- (MusicTrack *) add:(NSArray<NSURL *> *)x to:(SBObject *)to;  // add one or more files to a playlist
+- (void) backTrack;  // reposition to beginning of current track or go to previous track if already at start of current track
+- (MusicTrack *) convert:(NSArray<SBObject *> *)x;  // convert one or more files or tracks
+- (void) fastForward;  // skip forward in a playing track
+- (void) nextTrack;  // advance to the next track in the current playlist
+- (void) pause;  // pause playback
+- (void) playOnce:(BOOL)once;  // play the current track or the specified track or file.
+- (void) playpause;  // toggle the playing/paused state of the current track
+- (void) previousTrack;  // return to the previous track in the current playlist
+- (void) resume;  // disable fast forward/rewind and resume playback, if playing.
+- (void) rewind;  // skip backwards in a playing track
+- (void) stop;  // stop playback
+- (void) openLocation:(NSString *)x;  // Opens a Music Store or audio stream URL
+
+@end
+
+// an item
+@interface MusicItem : SBObject <MusicGenericMethods>
+
+@property (copy, readonly) SBObject *container;  // the container of the item
+- (NSInteger) id;  // the id of the item
+@property (readonly) NSInteger index;  // The index of the item in internal application order.
+@property (copy) NSString *name;  // the name of the item
+@property (copy, readonly) NSString *persistentID;  // the id of the item as a hexadecimal string. This id does not change over time.
+@property (copy) NSDictionary *properties;  // every property of the item
+
+- (void) download;  // download a cloud track or playlist
+- (void) reveal;  // reveal and select a track or playlist
+
+@end
+
+// an AirPlay device
+@interface MusicAirPlayDevice : MusicItem
+
+@property (readonly) BOOL active;  // is the device currently being played to?
+@property (readonly) BOOL available;  // is the device currently available?
+@property (readonly) MusicEAPD kind;  // the kind of the device
+@property (copy, readonly) NSString *networkAddress;  // the network (MAC) address of the device
+- (BOOL) protected;  // is the device password- or passcode-protected?
+@property BOOL selected;  // is the device currently selected?
+@property (readonly) BOOL supportsAudio;  // does the device support audio playback?
+@property (readonly) BOOL supportsVideo;  // does the device support video playback?
+@property NSInteger soundVolume;  // the output volume for the device (0 = minimum, 100 = maximum)
+
+
+@end
+
+// a piece of art within a track or playlist
+@interface MusicArtwork : MusicItem
+
+@property (copy) NSImage *data;  // data for this artwork, in the form of a picture
+@property (copy) NSString *objectDescription;  // description of artwork as a string
+@property (readonly) BOOL downloaded;  // was this artwork downloaded by iTunes?
+@property (copy, readonly) NSNumber *format;  // the data format for this piece of artwork
+@property NSInteger kind;  // kind or purpose of this piece of artwork
+@property (copy) NSData *rawData;  // data for this artwork, in original format
+
+
+@end
+
+// converts a track to a specific file format
+@interface MusicEncoder : MusicItem
+
+@property (copy, readonly) NSString *format;  // the data format created by the encoder
+
+
+@end
+
+// equalizer preset configuration
+@interface MusicEQPreset : MusicItem
+
+@property double band1;  // the equalizer 32 Hz band level (-12.0 dB to +12.0 dB)
+@property double band2;  // the equalizer 64 Hz band level (-12.0 dB to +12.0 dB)
+@property double band3;  // the equalizer 125 Hz band level (-12.0 dB to +12.0 dB)
+@property double band4;  // the equalizer 250 Hz band level (-12.0 dB to +12.0 dB)
+@property double band5;  // the equalizer 500 Hz band level (-12.0 dB to +12.0 dB)
+@property double band6;  // the equalizer 1 kHz band level (-12.0 dB to +12.0 dB)
+@property double band7;  // the equalizer 2 kHz band level (-12.0 dB to +12.0 dB)
+@property double band8;  // the equalizer 4 kHz band level (-12.0 dB to +12.0 dB)
+@property double band9;  // the equalizer 8 kHz band level (-12.0 dB to +12.0 dB)
+@property double band10;  // the equalizer 16 kHz band level (-12.0 dB to +12.0 dB)
+@property (readonly) BOOL modifiable;  // can this preset be modified?
+@property double preamp;  // the equalizer preamp level (-12.0 dB to +12.0 dB)
+@property BOOL updateTracks;  // should tracks which refer to this preset be updated when the preset is renamed or deleted?
+
+
+@end
+
+// a list of songs/streams
+@interface MusicPlaylist : MusicItem
+
+- (SBElementArray<MusicTrack *> *) tracks;
+- (SBElementArray<MusicArtwork *> *) artworks;
+
+@property (copy) NSString *objectDescription;  // the description of the playlist
+@property BOOL disliked;  // is this playlist disliked?
+@property (readonly) NSInteger duration;  // the total length of all songs (in seconds)
+@property (copy) NSString *name;  // the name of the playlist
+@property BOOL loved;  // is this playlist loved?
+@property (copy, readonly) MusicPlaylist *parent;  // folder which contains this playlist (if any)
+@property (readonly) NSInteger size;  // the total size of all songs (in bytes)
+@property (readonly) MusicESpK specialKind;  // special playlist kind
+@property (copy, readonly) NSString *time;  // the length of all songs in MM:SS format
+@property (readonly) BOOL visible;  // is this playlist visible in the Source list?
+
+- (void) moveTo:(SBObject *)to;  // Move playlist(s) to a new location
+- (MusicTrack *) searchFor:(NSString *)for_ only:(MusicESrA)only;  // search a playlist for tracks matching the search string. Identical to entering search text in the Search field in iTunes.
+
+@end
+
+// a playlist representing an audio CD
+@interface MusicAudioCDPlaylist : MusicPlaylist
+
+- (SBElementArray<MusicAudioCDTrack *> *) audioCDTracks;
+
+@property (copy) NSString *artist;  // the artist of the CD
+@property BOOL compilation;  // is this CD a compilation album?
+@property (copy) NSString *composer;  // the composer of the CD
+@property NSInteger discCount;  // the total number of discs in this CD’s album
+@property NSInteger discNumber;  // the index of this CD disc in the source album
+@property (copy) NSString *genre;  // the genre of the CD
+@property NSInteger year;  // the year the album was recorded/released
+
+
+@end
+
+// the master music library playlist
+@interface MusicLibraryPlaylist : MusicPlaylist
+
+- (SBElementArray<MusicFileTrack *> *) fileTracks;
+- (SBElementArray<MusicURLTrack *> *) URLTracks;
+- (SBElementArray<MusicSharedTrack *> *) sharedTracks;
+
+
+@end
+
+// the radio tuner playlist
+@interface MusicRadioTunerPlaylist : MusicPlaylist
+
+- (SBElementArray<MusicURLTrack *> *) URLTracks;
+
+
+@end
+
+// a music source (music library, CD, device, etc.)
+@interface MusicSource : MusicItem
+
+- (SBElementArray<MusicAudioCDPlaylist *> *) audioCDPlaylists;
+- (SBElementArray<MusicLibraryPlaylist *> *) libraryPlaylists;
+- (SBElementArray<MusicPlaylist *> *) playlists;
+- (SBElementArray<MusicRadioTunerPlaylist *> *) radioTunerPlaylists;
+- (SBElementArray<MusicSubscriptionPlaylist *> *) subscriptionPlaylists;
+- (SBElementArray<MusicUserPlaylist *> *) userPlaylists;
+
+@property (readonly) long long capacity;  // the total size of the source if it has a fixed size
+@property (readonly) long long freeSpace;  // the free space on the source if it has a fixed size
+@property (readonly) MusicESrc kind;
+
+
+@end
+
+// a subscription playlist from Apple Music
+@interface MusicSubscriptionPlaylist : MusicPlaylist
+
+- (SBElementArray<MusicFileTrack *> *) fileTracks;
+- (SBElementArray<MusicURLTrack *> *) URLTracks;
+
+
+@end
+
+// playable audio source
+@interface MusicTrack : MusicItem
+
+- (SBElementArray<MusicArtwork *> *) artworks;
+
+@property (copy) NSString *album;  // the album name of the track
+@property (copy) NSString *albumArtist;  // the album artist of the track
+@property BOOL albumDisliked;  // is the album for this track disliked?
+@property BOOL albumLoved;  // is the album for this track loved?
+@property NSInteger albumRating;  // the rating of the album for this track (0 to 100)
+@property (readonly) MusicERtK albumRatingKind;  // the rating kind of the album rating for this track
+@property (copy) NSString *artist;  // the artist/source of the track
+@property (readonly) NSInteger bitRate;  // the bit rate of the track (in kbps)
+@property double bookmark;  // the bookmark time of the track in seconds
+@property BOOL bookmarkable;  // is the playback position for this track remembered?
+@property NSInteger bpm;  // the tempo of this track in beats per minute
+@property (copy) NSString *category;  // the category of the track
+@property (readonly) MusicEClS cloudStatus;  // the iCloud status of the track
+@property (copy) NSString *comment;  // freeform notes about the track
+@property BOOL compilation;  // is this track from a compilation album?
+@property (copy) NSString *composer;  // the composer of the track
+@property (readonly) NSInteger databaseID;  // the common, unique ID for this track. If two tracks in different playlists have the same database ID, they are sharing the same data.
+@property (copy, readonly) NSDate *dateAdded;  // the date the track was added to the playlist
+@property (copy) NSString *objectDescription;  // the description of the track
+@property NSInteger discCount;  // the total number of discs in the source album
+@property NSInteger discNumber;  // the index of the disc containing this track on the source album
+@property BOOL disliked;  // is this track disliked?
+@property (copy, readonly) NSString *downloaderAppleID;  // the Apple ID of the person who downloaded this track
+@property (copy, readonly) NSString *downloaderName;  // the name of the person who downloaded this track
+@property (readonly) double duration;  // the length of the track in seconds
+@property BOOL enabled;  // is this track checked for playback?
+@property (copy) NSString *episodeID;  // the episode ID of the track
+@property NSInteger episodeNumber;  // the episode number of the track
+@property (copy) NSString *EQ;  // the name of the EQ preset of the track
+@property double finish;  // the stop time of the track in seconds
+@property BOOL gapless;  // is this track from a gapless album?
+@property (copy) NSString *genre;  // the music/audio genre (category) of the track
+@property (copy) NSString *grouping;  // the grouping (piece) of the track. Generally used to denote movements within a classical work.
+@property (copy, readonly) NSString *kind;  // a text description of the track
+@property (copy) NSString *longDescription;
+@property BOOL loved;  // is this track loved?
+@property (copy) NSString *lyrics;  // the lyrics of the track
+@property MusicEMdK mediaKind;  // the media kind of the track
+@property (copy, readonly) NSDate *modificationDate;  // the modification date of the content of this track
+@property (copy) NSString *movement;  // the movement name of the track
+@property NSInteger movementCount;  // the total number of movements in the work
+@property NSInteger movementNumber;  // the index of the movement in the work
+@property NSInteger playedCount;  // number of times this track has been played
+@property (copy) NSDate *playedDate;  // the date and time this track was last played
+@property (copy, readonly) NSString *purchaserAppleID;  // the Apple ID of the person who purchased this track
+@property (copy, readonly) NSString *purchaserName;  // the name of the person who purchased this track
+@property NSInteger rating;  // the rating of this track (0 to 100)
+@property (readonly) MusicERtK ratingKind;  // the rating kind of this track
+@property (copy, readonly) NSDate *releaseDate;  // the release date of this track
+@property (readonly) NSInteger sampleRate;  // the sample rate of the track (in Hz)
+@property NSInteger seasonNumber;  // the season number of the track
+@property BOOL shufflable;  // is this track included when shuffling?
+@property NSInteger skippedCount;  // number of times this track has been skipped
+@property (copy) NSDate *skippedDate;  // the date and time this track was last skipped
+@property (copy) NSString *show;  // the show name of the track
+@property (copy) NSString *sortAlbum;  // override string to use for the track when sorting by album
+@property (copy) NSString *sortArtist;  // override string to use for the track when sorting by artist
+@property (copy) NSString *sortAlbumArtist;  // override string to use for the track when sorting by album artist
+@property (copy) NSString *sortName;  // override string to use for the track when sorting by name
+@property (copy) NSString *sortComposer;  // override string to use for the track when sorting by composer
+@property (copy) NSString *sortShow;  // override string to use for the track when sorting by show name
+@property (readonly) long long size;  // the size of the track (in bytes)
+@property double start;  // the start time of the track in seconds
+@property (copy, readonly) NSString *time;  // the length of the track in MM:SS format
+@property NSInteger trackCount;  // the total number of tracks on the source album
+@property NSInteger trackNumber;  // the index of the track on the source album
+@property BOOL unplayed;  // is this track unplayed?
+@property NSInteger volumeAdjustment;  // relative volume adjustment of the track (-100% to 100%)
+@property (copy) NSString *work;  // the work name of the track
+@property NSInteger year;  // the year the track was recorded/released
+
+
+@end
+
+// a track on an audio CD
+@interface MusicAudioCDTrack : MusicTrack
+
+@property (copy, readonly) NSURL *location;  // the location of the file represented by this track
+
+
+@end
+
+// a track representing an audio file (MP3, AIFF, etc.)
+@interface MusicFileTrack : MusicTrack
+
+@property (copy) NSURL *location;  // the location of the file represented by this track
+
+- (void) refresh;  // update file track information from the current information in the track’s file
+
+@end
+
+// a track residing in a shared library
+@interface MusicSharedTrack : MusicTrack
+
+
+@end
+
+// a track representing a network stream
+@interface MusicURLTrack : MusicTrack
+
+@property (copy) NSString *address;  // the URL for this track
+
+
+@end
+
+// custom playlists created by the user
+@interface MusicUserPlaylist : MusicPlaylist
+
+- (SBElementArray<MusicFileTrack *> *) fileTracks;
+- (SBElementArray<MusicURLTrack *> *) URLTracks;
+- (SBElementArray<MusicSharedTrack *> *) sharedTracks;
+
+@property BOOL shared;  // is this playlist shared?
+@property (readonly) BOOL smart;  // is this a Smart Playlist?
+@property (readonly) BOOL genius;  // is this a Genius Playlist?
+
+
+@end
+
+// a folder that contains other playlists
+@interface MusicFolderPlaylist : MusicUserPlaylist
+
+
+@end
+
+// a visual plug-in
+@interface MusicVisual : MusicItem
+
+
+@end
+
+// any window
+@interface MusicWindow : MusicItem
+
+@property NSRect bounds;  // the boundary rectangle for the window
+@property (readonly) BOOL closeable;  // does the window have a close button?
+@property (readonly) BOOL collapseable;  // does the window have a collapse button?
+@property BOOL collapsed;  // is the window collapsed?
+@property BOOL fullScreen;  // is the window full screen?
+@property NSPoint position;  // the upper left position of the window
+@property (readonly) BOOL resizable;  // is the window resizable?
+@property BOOL visible;  // is the window visible?
+@property (readonly) BOOL zoomable;  // is the window zoomable?
+@property BOOL zoomed;  // is the window zoomed?
+
+
+@end
+
+// the main iTunes window
+@interface MusicBrowserWindow : MusicWindow
+
+@property (copy, readonly) SBObject *selection;  // the selected songs
+@property (copy) MusicPlaylist *view;  // the playlist currently displayed in the window
+
+
+@end
+
+// the iTunes equalizer window
+@interface MusicEQWindow : MusicWindow
+
+
+@end
+
+// the miniplayer window
+@interface MusicMiniplayerWindow : MusicWindow
+
+
+@end
+
+// a sub-window showing a single playlist
+@interface MusicPlaylistWindow : MusicWindow
+
+@property (copy, readonly) SBObject *selection;  // the selected songs
+@property (copy, readonly) MusicPlaylist *view;  // the playlist displayed in the window
+
+
+@end
+
+// the video window
+@interface MusicVideoWindow : MusicWindow
+
+
+@end
+