Listen to Concerto No. 8 in A Minor for 2 Violin and Strings, RV 522: I. Allegro online. Concerto No. 8 in A Minor for 2 Violin and Strings, RV 522: I. Allegro is an Instrumental language song and is sung by Soloists Of St. Petersburg Chamber Ensemble. Concerto No. 8 in A Minor for 2 Violin and Strings, RV 522: I. Allegro, from the album Antonio Vivaldi: L'estro armonico, Vol. 2, was released in the year 1991. The duration of the song is 3:35. Download Instrumental songs online from JioSaavn.