The Foo Fighters have officially released "The Sky Is a Neighborhood" from their forthcoming album Concrete and Gold. Watch the new video above.

Dave Grohl and Taylor Hawkins first debuted this song at the Fillmore in San Francisco during May's Acoustic-4-A-Cure benefit sponsored by Sammy Hagar and James Hetfield.

In the meantime, fans have begun to get a more complete look at Concrete and Gold. The Foo Fighters also previewed "Arrows," along with "La Dee Da," "Sunday Rain" and "Dirty Water" while out on the road. A sixth track, "Run," was released as the album's first single and video.

Still up in the air, however, is the identity of a special guest star who's been tantalizingly mentioned – but never named – by Grohl. Adele was the trendy guess at first, both because of her popularity and the fact that Concrete and Gold was produced by Greg Kurstin, who also helmed her smash album 25. Grohl shot that down, and has also said it wasn't Taylor Swift. A number of other theories remain.

The Foo Fighters have since confirmed a collaboration with Paul McCartney, and appeared on stage in Tokyo with Rick Astley to perform the '80s pop singer's hit "Never Gonna Give You Up."

Grohl directed the video for "The Sky Is a Neighborhood," and it stars his daughters – 11-year-old Violet and 8-year-old Harper. Concrete and Gold, the Foo Fighters’ ninth studio effort, is due on Sept. 15.

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