Foo FightersNorth American tour continues tonight (Aug. 24) in Detroit, and everywhere the Foos go, so does Dave Grohl’s extravagant throne -- the one he designed in order to carry on in spite of the broken leg he sustained during a gig in Sweden earlier this year. While Grohl says he’s recuperating well, he's wary of life without the throne, which has become just as much of a staple at their shows as the band itself. And that's not even to mention the sheer convenience it affords Grohl (“It has a drink holder”).

“It’s become the star of the show,” Grohl told Billboard. “Do I stop using it when when I can just stand there? Or do I stop using it when I can jump and run around like I used to or do I keep it for f---ing ever?”

During his conversation with Billboard, Grohl also touched on the success of his HBO mini-series Sonic Highways, which has since been renewed for a second season and nominated for an Emmy.

When asked to elaborate on the first season’s Seattle episode, Grohl said, “There’s a lot of ghosts in Seattle. Whenever I go back to Seattle I feel the good and I feel the bad and it’s one of the most beautiful places on earth.”

“When we were deciding on cities to focus on, one of the big criteria was to find cities that we had a personal connection to,” he continued. “Sometimes those cities were the most difficult to direct or to edit because it was hard to take myself out of the middle of it… You also have to decide how much you want to open up to the viewer and in Seattle I opened up a lot.”

As for season two, Grohl says Sonic Highways’ core conceit allows for a great deal of growth.

“The great thing about the concept of the show is that it can be done everywhere because everywhere has a musical history,” he said. “It doesn’t matter if it’s Lawrence, Kansas or Jakarta or Reykjavik, Iceland or Ft. Lauderdale, Florida. It doesn’t necessarily have to be the Foo Fighters, it could be musicians from each one of those cities, it could be someone from another country coming to that country to discover the music from there.”

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