WASHINGTON, DC - OCTOBER 24: Dave Grohl of the Foo Fighters performs in concert after the "Foo Fighters: Sonic Highways" screening at the Black Cat on October 24, 2014 in Washington, DC. (Photo by Paul Morigi/Getty Images)
WASHINGTON, DC - OCTOBER 24: Dave Grohl of the Foo Fighters performs in concert after the "Foo Fighters: Sonic Highways" screening at the Black Cat on October 24, 2014 in Washington, DC. (Photo by Paul Morigi/Getty Images)