Listen to Cello Sonata in B-Flat Major, RV 47: I. Preludio online. Cello Sonata in B-Flat Major, RV 47: I. Preludio is an English language song and is sung by Bruno Cocset and Les Basses Réunies. Cello Sonata in B-Flat Major, RV 47: I. Preludio, from the album Vivaldi: Cello Sonatas (Alpha Collection), was released in the year 1999. The duration of the song is 2:16. Download English songs online from JioSaavn.