Noter
Original
Kopprasch, Wilhelm. Duet No.1. 2 Natural Horns. Classical. Duets. For 2 horns. Scores featuring the horn. For 2 players.
Oversettelse
Kopp Rasch, William. Duet No.1. 2 Natural Horns. Klassisk. Duets. For 2 horn. Skårer med hornet. For 2 spillere.