Listen to Swararagasudha online. Swararagasudha is a Carnatic language song and is sung by M. P. N. Sethuraman and M. P. N. Ponnuswamy. Swararagasudha, from the album M P N Sethuraman And M P N Ponnuswamy - Nadhaswaram, was released in the year 2004. The duration of the song is 18:19. Download Carnatic songs online from JioSaavn.