Listen to O Bak Bak Bakam Bakam online. O Bak Bak Bakam Bakam is a Bengali language song and is sung by Sandhya Mukherjee. O Bak Bak Bakam Bakam, from the album Sandhya Mukherjee Live At Usa And Canada, was released in the year 1994. The duration of the song is 4:52. Download Bengali songs online from JioSaavn.