Feel free to download these mp3 files...
Duo 1 for Violin and Violia, Pleyel
Duet No. 2, Pleyel
String Quartet No. 2 in D Major, K 155, Mozart
Violin Duets, Bartok
Octet, Op. 20, Mendelssohn
String Quartet No. 1, Op. 18, Beethoven
Three Duos Concertants for Two Violins, Op. 57, de Beriot
Quintett, Lachner
Piano Trio in D Minor, Op. 49, Mendelssohn