Listen to Concerto for Violin and Oboe in B-Flat Major, RV 548: II. Largo online. Concerto for Violin and Oboe in B-Flat Major, RV 548: II. Largo is an Instrumental language song and is sung by Leningrad Chamber Orchestra. Concerto for Violin and Oboe in B-Flat Major, RV 548: II. Largo, from the album Antonio Vivaldi: 7 Concertos for Wind Instruments, was released in the year 1971. The duration of the song is 2:18. Download Instrumental songs online from JioSaavn.