1. N. Kikuchi, Y. Otani, in The School that Taught Melancholy and Sensuality—A Bird’s Eye View of Twentieth Century Commercial Music History through the Berklee Method (Kawade Bunko, 2004). (in Japanese)
2. J.-J. Nattiez, Musicologie générale et sémiologie, Christian Bourgois Editeur (1987)
3. T. Hojnacki, J. Mulholland, in The Berklee Book of Jazz Harmony (The Berklee Press, 2013)
4. P. Schmeling, in Berklee Music Theory Book 1, Basic Principles of Rhythm, Scales, and Intervals, 2nd ed. (The Berklee Press, 2005)
5. M. Chemillier, Toward a formal study of jazz chord sequences generated by Steedman’s grammar. Soft Comput. 8(9), 617–622 (2004). (Sept.)