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Foo Fighters ringleader Dave Grohl has revealed another one of the "bunch of guests" from the band's upcoming record Concrete and Gold.

Ahead of the album's Sept. 15 release, Grohl says in a new interview with Rolling Stone that Justin Timberlake contributed backing vocals on one of the songs. He said they had been hanging out when Timberlake asked to somehow make an appearance on the record, "just to be able to tell [his] friends."

"He nailed it," Grohl said of Timberlake. "I'm telling you—the guy's going somewhere."

Timberlake is one of several who appear on the album, which also includes a drum performance from Paul McCartney.