Inside controllers DetailViewController and ShowInfoViewController there are methods to add items to the playlist queue and to start playback. Those are very similar and should be unified into generic methods. Methods of interest are

DetailViewController:

• (void)addQueue:(NSDictionary*) indexPath:(NSIndexPath*) afterCurrentItem:(BOOL)
• (void)addPlayback:(NSDictionary*) indexPath:(NSIndexPath*) position:(int) shuffle:(BOOL)

ShowInfoViewController

• (void)addQueueAfterCurrent:(BOOL)
• (void)addPlayback:(float)