Volume 21: Gettin' It Together (with 2 Free Audio CDs): Learn to Improvise Like the Jazz Masters

Jamey Aebersold Jazz -- Gettin' It Together, Vol 21: Learn to Improvise Like the Jazz Masters, Book & 2 CDs (Jazz Play-A-Long for All Musicians (Instrumentalists & Vocalists), Vol 21)

Major and Minor: Learn To Improvise Jazz in Every Key, Vol. 24 (book with 2 CDs)

Jamey Aebersold Jazz -- Blues in All Keys, Vol 42: Book & Online Audio (Jazz Play-a-Long for All Musicians, Vol 42)