I know there isnt an mp3 playback. The mode 1 problem in training mode is supposed to be getting fixed. They just fixed a bunch of bug in the latest patch released this week. If you havent updated yet, give it a try and see if it was fixed this time around. I know it is a problem that has been brought up on the knife edge forums. You can also check there. There a a buch of helpful guys there that gan give more information.