Listen to Gaan Shudhu Gaan online. Gaan Shudhu Gaan is a Bengali language song and is sung by Babul Supriyo. Gaan Shudhu Gaan, from the album Gaan Sudhu Gaanbabul Supriyo, was released in the year 2001. The duration of the song is 3:42. Download Bengali songs online from JioSaavn.