Original tekst: Complete score, bass clef notation. 3 Duets for Clarinet and Bassoon, WoO 27. concert pitch. For 2 Tubas. Bjerre.
Oversættelse: Komplet score, basnøglen notation. 3 Duetter for klarinet og fagot, WoO 27. kammertonen. For 2 tubaer. Beethoven, Ludwig van.