Listen to Hamsadhwani Rasa (Duet) online. Hamsadhwani Rasa (Duet) is a Malayalam language song and is sung by K.J. Yesudas. Hamsadhwani Rasa (Duet), from the album Varnnakkaazhchakal, was released in the year 2003. The duration of the song is 4:32. Download Malayalam songs online from JioSaavn.