From 75628b53e868f2749eb849e55533d76e020a0874 Mon Sep 17 00:00:00 2001
From: Hidde de Jong <hiddedejong0@gmail.com>
Date: Sun, 31 Jan 2016 14:45:34 +0100
Subject: [PATCH 1/2] fixed start offset in Tone.Part, now behaves like
 Tone.Player

---
 Tone/event/Part.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Tone/event/Part.js b/Tone/event/Part.js
index 768e1de6..1f4e0236 100644
--- a/Tone/event/Part.js
+++ b/Tone/event/Part.js
@@ -146,7 +146,11 @@ define(["Tone/core/Tone", "Tone/event/Event", "Tone/core/Type", "Tone/core/Trans
 	Tone.Part.prototype.start = function(time, offset){
 		var ticks = this.toTicks(time);
 		if (this._state.getStateAtTime(ticks) !== Tone.State.Started){
-			offset = this.defaultArg(offset, 0);
+			if (this._loop){
+				offset = this.defaultArg(offset, this._loopStart);
+			} else {
+				offset = this.defaultArg(offset, 0);
+			}
 			offset = this.toTicks(offset);
 			this._state.addEvent({
 				"state" : Tone.State.Started, 
@@ -177,6 +181,9 @@ define(["Tone/core/Tone", "Tone/event/Event", "Tone/core/Type", "Tone/core/Trans
 					ticks += this._getLoopDuration();
 				}
 				event.start(ticks + "i");
+			} else if (event.startOffset < this._loopStart && event.startOffset >= offset) {
+				event.loop = false;
+				event.start(ticks + "i");
 			}
 		} else {
 			if (event.startOffset >= offset){

From 523634106cfd141c8c830c2f2ca7329cdfce0b05 Mon Sep 17 00:00:00 2001
From: Hidde de Jong <hiddedejong0@gmail.com>
Date: Sun, 31 Jan 2016 23:05:03 +0100
Subject: [PATCH 2/2] added test for starting Tone.Part with an offset before
 loopStart

---
 test/event/Part.js | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/test/event/Part.js b/test/event/Part.js
index 57efbcce..91f3a3f8 100644
--- a/test/event/Part.js
+++ b/test/event/Part.js
@@ -515,6 +515,31 @@ define(["helper/Basic", "Tone/event/Part", "Tone/core/Tone", "Tone/core/Transpor
 				Tone.Transport.start();
 			});
 
+			it("can start a loop with an offset before loop start", function(done){
+				var iteration = 0;
+				var part = new Part(function(time, number){
+					if (iteration === 0){
+						expect(number).to.equal(0);
+					} else if (iteration === 1){
+						expect(number).to.equal(1);
+					} else if (iteration === 2){
+						expect(number).to.equal(2);
+					} else if (iteration === 3){
+						expect(number).to.equal(1);
+					} else if (iteration === 4){
+						expect(number).to.equal(2);
+						part.dispose();
+						done();
+					}
+					iteration++;
+				}, [[0, 0], [0.25, 1], [0.30, 2]]);
+				part.loop = true;
+				part.loopStart = 0.25;
+				part.loopEnd = 0.5;
+				part.start(0, 0);
+				Tone.Transport.start();
+			});
+
 		});
 
 		context("playbackRate", function(){