Harris Jayaraj is Busy with his upcomming projects

Kollywood's prominent music director Harris Jayaraj is on a roll. The musician is currently busy with a series of projects: Ram Charan Tej-Genelia starrer Orange, K.V. Anand's Ko, Prabhu Deva's Ich (starring Jayam Ravi and Hansika Motwani), Suriya-A.R. Murugadoss' 7Aum Arivu and the Hindi remake of Khakka Khakka, starring John Abraham and Deepika Padukone.

"The music of 3 Idiots will be done simultaneously in two languages (Tamil and Telugu). We are hoping to release the audio of Ko by October. But Ich and Orange will be out by next month," he tweeted. "A full-fledged English track was recorded for Ich today with Emce Jayze, Kriss and Renaina. Hope it works for the film," he added.