This version has several users suggested enhancements including a new super accurate playback progress bar and scrubber. A new easier way to define new phrases. Its now easier to change the tempo.This version includes several IOS 6 related problem. Rotation has been fixed, Along with several bugs related to iPod library access when the song's album or artist name was unknown. PLEASE UPGRADE to IOS 6.0.1. Many users of IOS 6.0 reported the app crash. This is due to a bug in IOS 6.0 that caused updates to be corrupted during the down load and install process. Please update to IOS 6.0.1 and try to update again. You may need to delete the app and install it again to fix the corruption problem. For more info see http://www.santacruzintegration.com/MusicTrainerReleaseNotes.html#Version3.4.7ReleaseNotes