Listen to Disco Disjaain Baa online. Disco Disjaain Baa is a Bhojpuri language song and is sung by Ravi, Pradeep and Bijli Rani. Disco Disjaain Baa, from the album Disco Disjaain Baa, was released in the year 1994. The duration of the song is 5:14. Download Bhojpuri songs online from JioSaavn.