WALLA WALLA, WA - AUGUST 14: Dave Grohl of Foo Fighters performs during the Gentlemen of the Road Stopover on August 14, 2015 in Walla Walla, Washington. (Photo by Tim Mosenfelder/Getty Images)
WALLA WALLA, WA - AUGUST 14: Dave Grohl of Foo Fighters performs during the Gentlemen of the Road Stopover on August 14, 2015 in Walla Walla, Washington. (Photo by Tim Mosenfelder/Getty Images)