The Tamil film industry is going to witness two big functions later today – one in Chennai and the other in Coimbatore. While the capital city of Tamil Nadu will see the audio launch of Dhanush’s 3, the industrial hub of the State will host the music release function of Vijay starrer Nanban, helmed by Shankar. 3 is already making waves for the super hit single track, Why this kolaveri di…. Directed by Aishwarya Dhanush, the film has Shruthi Haasan as the heroine. Music is by Anirudh. Nanban, a Tamil remake of Hindi hit Three Idiots, has Vijay, Srikanth and Jiiva in lead roles. Music is by Harris Jayaraj. Sathyaraj, Ileana D’Cruz, S J Suryah and Anuya Bhagawath have played crucial roles.