FastTrack is different from other instruction methods because it's user-friendly with plenty of cool songs that make it easy and fun for players to teach themselves. Plus, the last section of all the FastTrackinstruction books feature the same songs so that players can form a band and jam together. The songbooks are all compatible and feature eight hit songs. All packs include a great play-along CD with professional-soundingorchestrations. This pack includes a harmonica.