Original: Belwin 21st Century Band Method, Level 1. Jack Bullock. Bassoon Solo sheet music. Belwin 21st Century Band Method, Level 1. Bassoon.
Traducció: Belwin 21st Century Band Method, Nivell 1. Full Fagot Només la música. Belwin 21st Century Band Method, Nivell 1. Fagot. Banda de Concert.