ISBN-13: 9781500555108 / Angielski / Miękka / 2014 / 82 str.
ISBN-13: 9781500555108 / Angielski / Miękka / 2014 / 82 str.
The Etude Supplements, Vol. 1 and 2 provide examples of the principles of "The Shape Method for Jazz Improvisation" written in all keys for chapters eight through twenty-three