In the world of Indian composers, A. R. Rahman's sound is recognisable in an instant. Rahman's Hindi songs from Dil Se, Yuva and Rang De Basanti—and Roja, the film that started it all—are always rich in emotion. Whether delivered in a hushed whisper alongside a bansuri flute, or in a soaring crescendo before a symphony orchestra, the vocals in each of these tracks move the heart in unique ways.