Listen to Orey Naal Unainaan online. Orey Naal Unainaan is a Tamil language song and is sung by S. P. Balasubrahmanyam, Vani Jayaram, and Ilaiyaraaja. Orey Naal Unainaan, from the album Elamai Oonjalaadugiradhu, was released in the year 1978. The duration of the song is 4:34. Download Tamil songs online from JioSaavn.