Listen to Usor Saapil Sotor Bihu Oo online. Usor Saapil Sotor Bihu Oo is an Assamese language song and is sung by Mahananda Mazinder Baruah and Nitumoni Borah. Usor Saapil Sotor Bihu Oo, from the album Paharor Juriti 1996, was released in the year 1996. The duration of the song is 7:47. Download Assamese songs online from JioSaavn.