Bläser-Schulen-Verlag Gemeinsam Lernen 1 Trumpet
Bläser-Schulen-Verlag Gemeinsam lernen & spielen 1 Trumpet: school for wind class and instrumental lessons, edition for trumpet, by Jaap Kastelein and Michiel Oldenkamp, ISMN 9790700382056, BSV115-008, DIN A4, 72 pages, incl. download code to play-along recordings, in German language