Listen to Vivaldi: Concerto for 2 Violins in A Minor, RV 523: II. Largo online. Vivaldi: Concerto for 2 Violins in A Minor, RV 523: II. Largo is an Unknown language song and is sung by Viktoria Mullova, Giuliano Carmignola, Venice Baroque Orchestra and Andrea Marcon. Vivaldi: Concerto for 2 Violins in A Minor, RV 523: II. Largo, from the album 111 More Classic Tracks, was released in the year 2010. The duration of the song is 2:18. Download Unknown songs online from JioSaavn.