Listen to Sapthaswarangal (Duet) online. Sapthaswarangal (Duet) is a Malayalam language song and is sung by Km Manjeri, Pyari, M.G. Sreekumar and Savitha Nair. Sapthaswarangal (Duet), from the album Akhila, was released in the year 2002. The duration of the song is 4:26. Download Malayalam songs online from JioSaavn.