Listen to Vazhnthalum Unnodu Than online. Vazhnthalum Unnodu Than is a Tamil language song and is sung by Dr. Dudley Thangiah. Vazhnthalum Unnodu Than, from the album Thuthi Aarathanai Vol. 2, was released in the year 2007. The duration of the song is 2:06. Download Tamil songs online from JioSaavn.