Listen to Gangamma O Gangamma online. Gangamma O Gangamma is a Telugu language song and is sung by R. Narayana Murthy and S. P. Balasubrahmanyam. Gangamma O Gangamma, from the album Gangamma Jatara, was released in the year 2000. The duration of the song is 6:37. Download Telugu songs online from JioSaavn.