Book and 4 CDs! Two new CDs feature slower tempos.Intermediate/Advanced. If you have been working on playing scales, chords, and harmony in general, this set is the next step towards getting your ears and fingers coordinated. This set is a continuation of Volume 3, but in much more depth. Features 23 CD tracks and most go through all 12 keys! The first two CDs contain slow practice versions and the second set of CDs contain medium/fast versions.Rhythm Section: Jamey Aebersold (p); John Clayton (b); Mike Hyman (d)Suggested Prerequisite: Volume 3 - The ii/V7/I ProgressionIncludes: 5 turnaround tracks6 cycle tracksColtrane BluesSome Of The Things I Am (an exercise in substitute ii/V7’s)6 ii/V7 tracksColtrane Changes in all 12 keysBb rhythm changes (slow tempo)Hale BopGuess What Key I’m In (Blues with "Giant Steps" and descending changes)