Listen to Raga Hamsanadam (Explanation) online. Raga Hamsanadam (Explanation) is a Tamil language song and is sung by Dr. Charulatha Mani. Raga Hamsanadam (Explanation), from the album Isai Payanam, was released in the year 2007. The duration of the song is 4:22. Download Tamil songs online from JioSaavn.