diff --git a/SpriteBuilder/ccBuilder/AnimationPlaybackManager.m b/SpriteBuilder/ccBuilder/AnimationPlaybackManager.m
index 1a4bbe72b..c5938fe16 100644
--- a/SpriteBuilder/ccBuilder/AnimationPlaybackManager.m
+++ b/SpriteBuilder/ccBuilder/AnimationPlaybackManager.m
@@ -94,12 +94,17 @@ - (IBAction)play:(id)sender
     // Start playback
     self.playbackLastFrameTime = [NSDate timeIntervalSinceReferenceDate];
     self.playingBack = YES;
+    
+    // playing sound effects at current position
+    //[_sequencerHandler.currentSequence playSoundEffectsAtPosition:_sequencerHandler.currentSequence.timelinePosition];
+    
     [self updatePlayback];
 }
 
 - (IBAction)stop
 {
     self.playingBack = NO;
+    [[OALSimpleAudio sharedInstance] stopAllEffects];
 }
 
 - (IBAction)jumpToStart:(id)sender
diff --git a/SpriteBuilder/ccBuilder/SequencerSequence.h b/SpriteBuilder/ccBuilder/SequencerSequence.h
index 2103dc81f..1f721b989 100644
--- a/SpriteBuilder/ccBuilder/SequencerSequence.h
+++ b/SpriteBuilder/ccBuilder/SequencerSequence.h
@@ -30,6 +30,8 @@
 @class SequencerCallbackChannel;
 @class SequencerSoundChannel;
 
+//@class AVPlayer, AVPlayerLayer;
+
 @interface SequencerSequence : NSObject
 {
     float timelineScale;
@@ -37,6 +39,7 @@
     float timelineLength;
     float timelinePosition;
     float timelineResolution;
+    //AVPlayer *soundPlayer;
     
     NSString* name;
     int sequenceId;
@@ -86,4 +89,6 @@
 
 - (float) alignTimeToResolution:(float)time;
 
+-(void)playSoundEffectsAtPosition:(NSTimeInterval) timelinePositionForSound;
+
 @end
diff --git a/SpriteBuilder/ccBuilder/SequencerSequence.m b/SpriteBuilder/ccBuilder/SequencerSequence.m
index 98e990726..4e918c0df 100644
--- a/SpriteBuilder/ccBuilder/SequencerSequence.m
+++ b/SpriteBuilder/ccBuilder/SequencerSequence.m
@@ -68,6 +68,7 @@ - (id) init
     
     callbackChannel = [[SequencerCallbackChannel alloc] init];
     soundChannel = [[SequencerSoundChannel alloc] init];
+    //soundPlayer = [[AVPlayer alloc] init];
     
     return self;
 }
@@ -93,6 +94,7 @@ - (id) initWithSerialization:(id)ser
     callbackChannel = [[SequencerCallbackChannel alloc] initWithSerialization: serCallbacks];
     id serSounds = [ser objectForKey:@"soundChannel"];
     soundChannel = [[SequencerSoundChannel alloc] initWithSerialization: serSounds];
+    //soundPlayer = [[AVPlayer alloc] init];
     
     return self;
 }
@@ -253,6 +255,14 @@ - (void) stepForward:(int)numSteps
         if ([[NSFileManager defaultManager] fileExistsAtPath:absFile])
         {
             [[OALSimpleAudio sharedInstance] playEffect:absFile volume:gain pitch:pitch pan:pan loop:NO];
+            
+            /*
+            NSURL *url = [[NSURL alloc] initFileURLWithPath: absFile];
+            AVAsset *asset = [AVURLAsset URLAssetWithURL:url options:nil];
+            AVPlayerItem *anItem = [AVPlayerItem playerItemWithAsset:asset];
+            [soundPlayer initWithPlayerItem:anItem];
+            [soundPlayer play];
+             */
         }
     }
     
@@ -261,6 +271,30 @@ - (void) stepForward:(int)numSteps
     [[SequencerHandler sharedHandler] updateScrollerToShowCurrentTime];
 }
 
+-(void)playSoundEffectsAtPosition:(NSTimeInterval) timelinePositionForSound
+{
+    /*
+     // search previous keys for music, and seek to the correct position if not already started
+     NSArray* soundKeyframes = [soundChannel.seqNodeProp keyframesBetweenMinTime:0 maxTime:timelinePositionForSound];
+     for (SequencerKeyframe* keyframe in soundKeyframes)
+     {
+         NSString* soundFile = [keyframe.value objectAtIndex:0];
+         float pitch = [[keyframe.value objectAtIndex:1] floatValue];
+         float pan = [[keyframe.value objectAtIndex:2] floatValue];
+         float gain = [[keyframe.value objectAtIndex:3] floatValue];
+         
+         NSString* absFile = [[ResourceManager sharedManager] toAbsolutePath:soundFile];
+         if ([[NSFileManager defaultManager] fileExistsAtPath:absFile])
+         {
+             // typedef double NSTimeInterval; (seconds)
+             // SequencerHandler* sh = [SequencerHandler sharedHandler];
+             [[OALSimpleAudio sharedInstance] preloadBg:absFile seekTime:timelinePositionForSound];
+             [[OALSimpleAudio sharedInstance] playEffect:absFile volume:gain pitch:pitch pan:pan loop:NO];
+         }
+     }
+   */
+}
+
 - (void) stepBack:(int)numSteps
 {
     float newTime = [self alignTimeToResolution: timelinePosition - numSteps/timelineResolution];