Listen to Kaathu Kaathu online. Kaathu Kaathu is a Tamil language song and is sung by Vaali, A.R. Rahman, G.V. Prakash Kumar and K. S. Chithra. Kaathu Kaathu, from the album Uzhavan, was released in the year 1993. The duration of the song is 4:11. Download Tamil songs online from JioSaavn.