AMA Verlag Jazz-Alphabet, Textbook on Harmony, School of Jazz Improvisation, For all instruments, By Ro Gebhardt, All musical examples in treble clef, ISBN: 9783899222258, ISMN: 9790501551811, Publisher's no. AMA 610497, Format: DIN A4, 191 Pages, In German language, Includes CD with demo recordings, Includes download of additional audio files and sheet music