Listen to Cello concerto in B Minor, RV 424: I. Allegro non molto online. Cello concerto in B Minor, RV 424: I. Allegro non molto is an Instrumental language song and is sung by Leningrad Chamber Orchestra. Cello concerto in B Minor, RV 424: I. Allegro non molto, from the album Antonio Vivaldi: Viola d'Amore concertos - Cello concertos, was released in the year 1969. The duration of the song is 5:05. Download Instrumental songs online from JioSaavn.