Surprising fans at a L.A. School benefit show, Dave Grohl covered some of his favorite songs including David Bowie's "Under ...

Dave Grohl covered LCD Soundsystem, David Bowie and the Knack during a surprise school benefit fundraiser featuring guests ...

Dave Grohl covers LCD Soundsystem live for the first time at Avalon Hollywood, joined by special guests in a high-energy ...

Oakwood School held an auction benefit at the Avalon Hollywood, with a performance from surprise guest Dave Grohl.

Dave Grohl took to the stage at a charity concert and performed a range of iconic covers from the likes of LCD Soundsystem and David Bowie to surprised fans.

Dave Grohl played a surprise fundraiser gig, where he covered LCD Soundsystem, David Bowie and more - watch footage here ...