Beginning/Intermediate. This is the culmination of Jamey's 30 years as one of the world's leading jazz exponents. Volume 1 has unlocked the mysteries of jazz improv for a whole generation of musicians who previously had nowhere to turn.. Beginning/Intermediate. Easy to understand and inspiring for all musicians wishing to explore the secrets of jazz improv. CD includes blues in Bb and F, four dorian minor tracks, four-measure cadences, cycle of dominants, 24-measure song, II/V7 in all keys. Book includes transposed parts for all instruments. The CD includes Jamey playing exercises from the book. Hear the master clinician show you exactly how it's done!