Listen to Vivaldi: Concerto In D RV208 "Grosso Mogul" I. Allegro online. Vivaldi: Concerto In D RV208 "Grosso Mogul" I. Allegro is an Unknown language song and is sung by Nicola Benedetti and Scottish Chamber Orchestra. Vivaldi: Concerto In D RV208 "Grosso Mogul" I. Allegro, from the album Great Composers: Vivaldi, was released in the year 2020. The duration of the song is 5:27. Download Unknown songs online from JioSaavn.