Oorspronkelijk: Belwin 21st Century Band Method, Level 3. Jack Bullock. B-Flat Trumpet sheet music. Cornet sheet music. B-Flat Cornet. Trumpet.
Vertaling: Belwin 21st Century Band Method, niveau 3. B-Vlakke trompet bladmuziek. Cornet bladmuziek. Belwin 21st Century Band Method, niveau 3.