India, Feb. 12 -- At a time when the Indian music space is hugely dominated by Punjabi uptempo numbers and rap songs, Oscar-winning composer AR Rahman is worried about the future of Indian classical music and says the genre "needs collective revival" in India. "We have lost all the legends of classical music, including Ustad Zakir Hussain, Ustad Ghulam Mustafa Khan, Pandit Shivkumar Sharma, Ustad Rashid Khan and Bismillah Khan sahab. We don't know who's the next big artiste. So, I want to invest a lot of my time to focus on spotting the right classical talent and nurturing them," says Rahman.

Besides joining musician Ed Sheeran at a concert in Chennai recently, AR Rahman has been busy touring the world for concerts, including Sufi shows....