Listen to Koo Koovena online. Koo Koovena is a Tamil language song and is sung by Karthik, Harish Raghavendra and Mahalakshmi Iyer. Koo Koovena, from the album Kanda Naal Mudhal, was released in the year 2005. The duration of the song is 4:00. Download Tamil songs online from JioSaavn.