Alkuperäinen: Studies and Pieces for Two Violins, Vol. 4. Eric Keller. Violin sheet music. Violin Duets. For 2 Violins. Text Language. German.
Käännös: Julkaisemat Edition Peters. Viulu nuotteja. Studies and Pieces for Two Violins, Vol. 4 composed by Harald Genzmer. 2 Violins. Saksa.