Originalus: Classical Duets For All. Trombone, Baritone B.C., Bassoon, Tuba. Baritone Horn BC sheet music. Tuba sheet music.
Vertimas: Klasikinė duetai visiems. Tuba natos. Trombonas, baritonas P.m.ē., Fagotas, Tūba. William Ryden. Baritonas ragas BC natos.