MetallicaTegan & Sara

John Mayer, Metallica, Tom Waits, and Pearl Jam frontman Eddie Vedder are among the artists who will join Neil Young for his 21st annual Bridge School Benefit concerts near San Francisco on October 27-28.

Also on this year's bill are Tegan and Sara, Regina Spektor, and Jerry Lee Lewis.

Tickets for the Bridge concerts, which will take place at the Shoreline Amphitheatre in Mountain View, will be priced at $150, $75 and $39.50 (plus service charges). [Yahoo]