The Thattan Thattan song from Karnan which is crooned by Dhanush himself had its video song release today. The video was unveiled on Think Music India's YouTube channel which has the audio rights to the movie. The song is featured on Dhanush, Rajisha Vijayan, Lal and Yogi Babu among others.

Thattan Thattan has been penned by Yugabharathi and Meekashi Elayaraja has also lent her vocals to this number. The song is composed by Santhosh Nayaranan.