Listen to Cello Concerto in C Minor, RV 401: I. Allegro non molto online. Cello Concerto in C Minor, RV 401: I. Allegro non molto is an English language song and is sung by Ofra Harnoy, Toronto Chamber Orchestra and Paul Robinson. Cello Concerto in C Minor, RV 401: I. Allegro non molto, from the album Vivaldi: Complete Cello Concertos, was released in the year 2005. The duration of the song is 4:40. Download English songs online from JioSaavn.