Emraan Hashmi's films have been known for their cracking soundtracks, and our hand-picked playlist recalls some of his best. Nikhil D'Souza gets intimate in an electro-pop ballad from Crook, and Amit Trivedi's large-scale vocals play against finger snaps and strummed guitars in an indelible love song from Mr. X—all the best to capture Hashmi's unique blend of earnestness and laid-back charm.