Duo For Violin And Viola in G,K.423 Duo for violin and viola in G major, K423 Duo for Violin & Viola in G,K 423 Duo for violin and viola in G major, KV 423 Duo for violin and violoncello Duo for violin and viola in B flat major, KV 424 Duo for violin and harp, op.156 Scherzo for violin and piano in C minor Duos for violin & viola Concerto for violin and oboe in C minor