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 Popular Songs, was released in the year 2004. The duration of the song is 5:04. Download Tamil songs online from JioSaavn.