Listen to Raagasaarasam - Echoes Of Eternity online. Raagasaarasam - Echoes Of Eternity is a Malayalam language song and is sung by Revathi S Vinod and Harimurali Unnikrishnan. Raagasaarasam - Echoes Of Eternity, from the album Raagasaarasam - Echoes Of Eternity, was released in the year 2025. The duration of the song is 4:16. Download Malayalam songs online from JioSaavn.