Listen to Dont Worry Be Happy online. Dont Worry Be Happy is a Telugu language song and is sung by Raj-Koti, S. Janaki and S. P. Balasubrahmanyam. Dont Worry Be Happy, from the album Bala Gopaludu, was released in the year 2000. The duration of the song is 4:41. Download Telugu songs online from JioSaavn.