Just went to a Foo Fighters concert last night. Dave Grohl and the guys are one hell of a rock band. I've been listening to their stuff for two decades but never got a chance to see them in concert until last night, and they put on a great show. 3hr set, no breaks, guitar/drum solos and ad-lib galore. I'd highly recommend seeing them for anyone who likes good ol' American rock. Dave even jumped on the drums for a song (paying homage to his Nirvana days). I honestly can't think of a better modern rock band that came to prominence since FF in the mid-90s. Aviation-related: their name "Foo Fighters" is a reference to a slang term used by WWII fighters about UFO-sightings.