Sonu Nigam, Bickram Ghosh at launch of The Music Room

Sonu Nigam, Shatrughan Sinha, and Bickram Ghosh posing against the poster for the shutterbugs.

Singer Shaan attended the launch with wife Radhika.

Sonu Nigam in conversation with shotgun Shatrughan Sinha at the launch event.

Sonu Nigam's wife Madhurima Nigam posing with Smita Thackeray.

Sonu Nigam, Sunidhi Chauhan, Kailash Kher and his son Kabir pose for a selfie at the event.

Singers Sonu Nigam and Bickram Ghosh pose next to a poster of their new album The Music Room . The duo unveiled their collaborative work in the presence of top Bollywood actors and singers.