FastTrack method 2 is another user-friendly addition to original FastTrack methods. The 2nd series set blends traditional lessons great songs with modern elements of humor, wit, pop culture, and learning efficiency sold at a very competitive price point. Audio is accessed online using the unique code inside the book and can be streamed or downloaded. The audio files include PLAYBACK+, a multi-functional audio player that allows you to slow down audio without changing pitch, set loop points, change keys, and pan left or right.