Listen to Oru Kanam Unn online. Oru Kanam Unn is a Tamil language song and is sung by Kalpana, Ganga, M.P. Jesudoss and U. Thiagarajan. Oru Kanam Unn, from the album Thavam, was released in the year 2010. The duration of the song is 4:28. Download Tamil songs online from JioSaavn.