Deep Purple, Paul Simon, Lenny Kravitz, Babyshambles, Gnarls Barkley, Alicia Keys, Herbie Hancock, Petula Clark, Al Jarreau, Patti Austin, Joan Baez, Leonard Cohen and Sheryl Crow are among the 90 acts set to perform across the two main stages at this year's (42nd) Montreux Jazz Festival. The legendary event is set to take place on July 4-19 next to Lake Geneva in Switzerland.

Tickets for the festival will cost $380, reports Reuters...