Photos: Paige K. Parsons MOUNTAIN VIEW — Neil Young sat in with Metallica and My Morning Jacket served as Roger Waters’ backing band on the first day of the 30th annual Bridge School Benefit Saturday. Nine different artists performed at the Shoreline Amphitheatre in Mountain View. The benefit aids…

Metallica, Roger Waters, Dave Matthews and Willie Nelson were among the 10 artists announced Monday for this year’s installment of the annual Bridge School Benefit concert. The event, now in its 30th year, brings together popular musicians to benefit the Bridge School, a Hillsborough, Calif. facility serving children with…