The Session Eb for Alto Saxophone, play-along & Band In One Book, Play along with the MP3s Or use the sheet music parts to build the band around you, use the piano accompaniment parts for small performances or the complete accompaniment band parts with Piano, Bass, Guitar/chord sheets, Drums. The Pack Lead Melody Parts are For Flute. The Session For Tuned Instruments This Pack Comes With 10 Play-along tracks, Funk, Blues, Pop, Swing, Rega, Latin, 7/8 Rock, Motown, Hip Hop, Ballard. Tracks 1 to 10 with Melody { Demo of melody and Solos } Tracks 11 to 20 { No Melody, Play to the written parts Melody's & Solos or Improvise your own using the chord Sheets, Your Session Pack comes with: Piano, Guitar, Bass Guitar, Drum Kit, Chord Sheets, So Build your own Band or Just Play Along with The Piano / full band parts only or MP3's Tracks. Great for Improvisation and event Performances.