Original tekst: Duets for Violin & Viola K423. Duets for Violin & Viola K423 by Manara. Viola sheet music. Violin sheet music. Braconi. Polidori.
Oversættelse: Duets for violin. Viola noder. Violin noder. Duets for violin. Af Wolfgang Amadeus Mozart. 1756-1791. Lytte cd. Udgivet af Naxos. NX.CD2053.