Silambarasan’s Osthi audio was launched on 19th October at Image Auditorium in Chennai amidst several celebrities like were Vijay, KS Ravikumar, K Bhagyaraj, Vijayakumar, Nassar, Jai, Pemgi, Vaibhav, Mahat, Vyapuri, Myilsami, T Siva along with the other cast and crew of Osthi.
Vijay launched the first copy of audio CD and presented it to lyricist Vaalee. Dharani, director of the movie supervised the event and several cultural events were performed on stage. Simbu rendered for Pondatti song while Baba Sehgal crooned for Osthi title track. T Rajendran had audience in splits with the mimicry.
Music for Osthi is by Thaman. Richa Gangopadhyay played Simbhu’s love interest in the film.