AMA Verlag Spiel Akkordeon Schule Vol.1
AMA Verlag Spiel Akkordeon, School for Piano-Accordion with 48 Basses, By Peter Michael Haas, ISBN 9783932587627, ISMN 9790700136482, publisher's no. AMA 610252, Format: DIN A4, 180 pages, In German language, Includes CD with demo and playalong recordings