The Mozart of Madras, AR Rahman will be composing the music for Siddharth's upcoming movie under the direction of Vasanth Balan. After 'Boys', 'Yuva' and 'Rang De Basanti' this will be the third film that AR Rahman will be lending the music for Siddharth's movie. This movie will be a bilingual flick and the Tamil version has been titled as 'Kaaviya Thalaivan', while the Telugu version is yet to get a tittle.  Sasikanth is likely to produce this movie under Y Not Studios banner. Other details about the movie will be announced shortly. Currently, Siddharth is busy shooting for 'Jabardasth' movie under the direction Nandini Reddy.