Anthrax guitarist calls onstage jam "proudest dad moment ever"
Unspecified members has since been injured, forcing Foos shows to be rescheduled
Curt Menefee, Terry Bradshaw, Michael Strahan co-star in Grohl–directed clip
"I woke up a little sad this morning ... the one person that would've appreciated it can't be here tonight."
Soundgarden, Temple of the Dog, Audioslave members also performed at all-star concert
Chief Foo Fighter asks the important questions in classic 2009 story
Shredder joined Dave Grohl at latter's 2015 birthday celebration
Guitarist took mid-song tumble during recent gig, recovered without missing a beat