Listen to Concerto No. 3 in G Major, RV 310 "L'estro armonico": I. Allegro online. Concerto No. 3 in G Major, RV 310 "L'estro armonico": I. Allegro is an Instrumental language song and is sung by Chamber Ensemble Soloists of Saint Petersburg and Mikhail Gantvarg. Concerto No. 3 in G Major, RV 310 "L'estro armonico": I. Allegro, from the album Vivaldi: Concertos from "L'estro armonico", was released in the year 2006. The duration of the song is 2:08. Download Instrumental songs online from JioSaavn.