ISBN 9780739020401. A three volume series that includes the scales, chords and modes necessary to play bebop music. A great introduction to a style that is most influential in today's music. The first volume includes scales, chords and modes most commonly used in bebop and other musical styles. The second volume covers the bebop language, patterns, formulas and other linking exercises necessary to play bebop music. A great introduction to a style that is most influential in today's music.