Pawan Kalyan Gabbar Singh Audio Launch Posted by admin | Apr 6, 2012 | Uncategorized | 0 | Reading Time: < 1 min Power Star Pawan Kalyan‘s Gabbar Singh audio launch is scheduled for 15th April 2012. Devi Sri Prasad has scored music. Harish Shankar is the director. Ganesh Babu is the producer on Parameswar Arts Banner. Shruthi Hassan is in the female lead.