Tom Petty and the Heartbreakers

Tom Petty performs.   (Robert Gauthier / Los Angeles Times)

Keyboardist Benmont Tench, center, Mike Campbell, right, and Tom Petty perform.   (Robert Gauthier / Los Angeles Times)

Tom Petty performs.   (Robert Gauthier / Los Angeles Times)

Guitarist Mike Campbell, center, and Tom Petty perform.   (Robert Gauthier / Los Angeles Times)

Jakob Dylan performs at a benefit for KCSN radio at the Plaza Del Sol Performance Art Center on the campus of Cal State Northridge.   (Robert Gauthier / Los Angeles Times)

Tom Petty and the Heartbreakers perform.   (Robert Gauthier / Los Angeles Times)

Lissie performs at the benefit.  (Robert Gauthier / Los Angeles Times)

Tom Petty and the Heartbreakers perform.   (Robert Gauthier / Los Angeles Times)