The title song of Bol Bachchan is sung by on-screen artists Amitabh Bachchan, Abhishek Bachchan and Ajay Devgan. The song (audio & video both) is not at all impressive though it have Amitabh Bachchan. But the song is not even a “song”. Lets see how audience respond. Bol Bachchan is a Rohit Shetty film produced by Dhillin Mehta and Ajay Devgan, Music of Bol Bachchan is composed by Himesh Reshammiya and Ajay-Atul.