Listen to Naan Unna Nenachen online. Naan Unna Nenachen is a Tamil language song and is sung by S.P. Balasubrahmanyam, S. Janaki and Vani Jayaram. Naan Unna Nenachen, from the album S.P. Balasubramaniam, Alasubramanium - Thaen Sindhude Vaanam Hits, was released in the year 2006. The duration of the song is 4:40. Download Tamil songs online from JioSaavn.