Forrás: Roger Behrend, Euphonium. Roger Behrend, Euphonium walking Frog Records. Euphonium sheet music. CD. Composed 2002. CL.WFR634.
Fordítás: Roger Behrend, euphonium. Roger Behrend, baritontuba séta Frog Records. Baritontuba kotta. CD. Főleg 2002.