Original: Roger Behrend, Euphonium. Roger Behrend, Euphonium walking Frog Records. Euphonium sheet music. CD. Composed 2002. CL.WFR634.
Oversettelse: Roger Behrend, euphonium. Roger Behrend, Euphonium gang Frog Records. Euphonium noter. CD. Komponert 2002.