Roger Waters, Will.I.Am, Anoushka Shankar, Abhishek Bachchan, Aishwarya Rai Bachchan, Hrithik Roshan, Preity Zinta, Bipasha Basu, Farhan Akhtar, Arjun Rampal and Others Join Bon Jovi and Amitabh Bachchan to Perform at Live Earth