Listen to Orey Naal Unainaan online. Orey Naal Unainaan is a Tamil language song and is sung by Ilaiyaraaja, S.P. Balasubrahmanyam and Vani Jayaram. Orey Naal Unainaan, from the album Endrum Iniyavai - Ilayaraja Hits, was released in the year 1999. The duration of the song is 4:35. Download Tamil songs online from JioSaavn.