Get ready to witness the grandeur of India's biggest collaboration ever! India's biggest music labels - Bhushan Kumar's T-Series and Lahari Music, have now bagged the music rights to SS Rajamouli's much-awaited magnum opus RRR. A MM Keeravaani's musical, currently being shot in Hyderabad, stars a powerful ensemble with names like NTR Jr, Ram Charan, Ajay Devgn, and Alia Bhatt, and others.