Listen to Thaen Kaatru online. Thaen Kaatru is a Tamil language song and is sung by Harris Jayaraj, Haricharan and Shashaa Tirupati. Thaen Kaatru, from the album Gethu (Original Motion Picture Soundtrack), was released in the year 2015. The duration of the song is 5:05. Download Tamil songs online from JioSaavn.