Listen to O Khumbubar online. O Khumbubar is a Kokborok language song and is sung by Bibha, Manudevi, Usha, Gutam and Sanjita. O Khumbubar, from the album Sana Muchungma, was released in the year 2010. The duration of the song is 5:40. Download Kokborok songs online from JioSaavn.