Listen to Hamsadhwani Vocal online. Hamsadhwani Vocal is a Tamil language song and is sung by Harre Harren. Hamsadhwani Vocal, from the album Indian Music Therapy For Pets - Cats Fishes And Cows, was released in the year 2004. The duration of the song is 15:54. Download Tamil songs online from JioSaavn.