Listen to Tusu Gaan Gaa online. Tusu Gaan Gaa is a Bengali language song and is sung by Mr. Rana, Mitu and Bapuji. Tusu Gaan Gaa, from the album Hai Re Aamar Fultusi, was released in the year 2007. The duration of the song is 6:20. Download Bengali songs online from JioSaavn.