Listen to Vivaldi: Sonata for cello and Continuo in B flat, RV.47 - 4. Allegro online. Vivaldi: Sonata for cello and Continuo in B flat, RV.47 - 4. Allegro is an Unknown language song and is sung by Christophe Coin, Ageet Zweistra and Christopher Hogwood. Vivaldi: Sonata for cello and Continuo in B flat, RV.47 - 4. Allegro, from the album Vivaldi Winter Nights, was released in the year 2020. The duration of the song is 1:58. Download Unknown songs online from JioSaavn.