These play along recordings are perfect training for the intermediate/advanced player searching for a more interactive approa ch to soloing. The music consists of chord voicings and bass lines played on an acoustic midi grand piano. A lead sheet for e ach chord progression is provided for C Bb and Eb instruments.Many of the recorded progressions feature improvised reharmoni zation and rhythmic displacement of the original chords. It is recommended that the soloist first listens to the CD.