1) Increased use of Harmonica type sound (Aye Hairathe, Nazrein Churana, Zindagi, promo music for Delhi 6)
2) Lots more humming and ooooohing...(Meherbaan, Dost, Kaise Mujhe, Muskara (end), Guzarish, promo music from Delhi 6) Just some of my observations.
