Listen to Cello Concerto in B-Flat, RV 423: Allegro online. Cello Concerto in B-Flat, RV 423: Allegro is an English language song and is sung by Ofra Harnoy and Paul Robinson. Cello Concerto in B-Flat, RV 423: Allegro, from the album Vivaldi: Complete Cello Concertos, was released in the year 2005. The duration of the song is 3:20. Download English songs online from JioSaavn.