The countdown ticker appears on a U.S. highway-style road sign, which certainly ties in with the project’s theme.
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In June 2015, Grohl pondered the location of the next Sonic Highways installment to NME:
"It might or might not be international," he mused. "It might only be England, or be England and other places, or maybe it's places in America and people from other countries that are inspired by these places in America… It can be anywhere, because every city has a musical history."
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It’s also worth noting that Nov. 23 is four days after the Foos’ 2015 tour concludes, so they’ve got an open schedule ahead.
Or hey, maybe it's just the date when Grohl gets done rehabbing his injured leg. Who knows?
For more insight on the Foo Fighters’ next move, check out Billboard.com tomorrow (Oct. 30) for an interview with producer Butch Vig on the Alt In Our Stars podcast.