Intermediate / advanced. Suggested prerequisite Volume 3. 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. Set contains 5 Turnaround Tracks, 6 Cycle Tracks, Coltrane Blues, 6 II/V7 Tracks and much more.