The audio launch of Karthi-starrer Madras was held in the city on Monday, amid a bevy of film personalities who graced the event.The audio was launched by the actor’s father Sivakumar and received by brother Suriya, Composer Santhosh Narayanan and Ranjith were present at the event. However, the highlight of the occasion was that both Karthi and Suriya appeared all set for their upcoming roles. Suriya turned up sporting a trimmed hair look, a makeover for his upcoming flick Venkat Prabhu’s Poochandi and Karthi’s imperial style moustache seemed to be his next look for Komban.