Listen to Kuyilukku Ku Ku online. Kuyilukku Ku Ku is a Tamil language song and is sung by Ilaiyaraaja, Hariharan and S.P.B.. Kuyilukku Ku Ku, from the album Hits Of Variety Music Directors, was released in the year 2003. The duration of the song is 5:04. Download Tamil songs online from JioSaavn.