The music of Aaha Kalyanam was launched recently with great fanfare. The film being directed by debutant A Gokul Krishna, is the remake of Bolywood hit flick Band Baaja Baaraat. The film stars Nani and Vaani Kapoor in lead roles. The movie also marks Yash Raj Films' maiden production in South. Bollywood actress Vaani Kapoor makes her Tamil debut with this flick. The film is all set to hit screens on February 7.