Listen to Concerto for Violin and Oboe in B-Flat Major, RV 548: III. Allegro online. Concerto for Violin and Oboe in B-Flat Major, RV 548: III. Allegro is an Instrumental language song and is sung by Leningrad Chamber Orchestra. Concerto for Violin and Oboe in B-Flat Major, RV 548: III. Allegro, from the album Antonio Vivaldi: 7 Concertos for Wind Instruments, was released in the year 1971. The duration of the song is 2:13. Download Instrumental songs online from JioSaavn.