Listen to Gran Duo Concertante online. Gran Duo Concertante is an Instrumental language song and is sung by Boris Garlitsky, Evgeny Kovalevsky, Amayak Durgaryan and Moscow Virtuosi. Gran Duo Concertante, from the album Handel, Bottesini, Rossini: Duets with Double Bass, was released in the year 1991. The duration of the song is 14:29. Download Instrumental songs online from JioSaavn.