Because you could never take a joke too far.
An ongoingFoo Fightersjoke has finally reached its natural conclusion: a surprise performance fromMichael Buble.
“You know what?

Dave Grohl; Michael Bublé.Taylor Hill/FilmMagic, Carlos Alvarez/Getty
I’ll come up and sing it,'” Grohl told the crowd.
“Do you know the f—ing song?”
the former Nirvana member asked.
“Hold on, we got a superfan.
He’s got the ‘I love Buble!'”
Wait, what?!"
He later addressed the crowd, offering more context.
They don’t know it!"
Because there’s no such thing as taking a joke too far."
Speaking to EW in 2009, theprolific drummer joked abouthis impressive resume but lack of name recognition.
“I work with famous people, but I’m kind of under the radar,” Freese said.
Foo Fighters’ released their latest album,But Here We Are, in June.
Watch their Freese medley with Buble above.