Listen to Oh Rahini (Duet Version) online. Oh Rahini (Duet Version) is a Tamil language song and is sung by S.P.Balasubramaniam and S.Janaki. Oh Rahini (Duet Version), from the album Marumagan, was released in the year 2017. The duration of the song is 3:27. Download Tamil songs online from JioSaavn.