THE BEAST

According to The Pulse Of Radio, FOO FIGHTERS mainman Dave Grohl revealed in an interview with BBC One that the band's just-announced new album, "Concrete And Gold", will feature a "bunch of guests," including some "that will really surprise you." Pressed further, Grohl added: "There's one who is probably the biggest pop star in the world and — I'm not kidding — sings backup on one of the heaviest songs on the record and we're not telling anybody who it is."

Fans have been speculating online who the "biggest pop star" could be, with most agreeing on Adele. The British superstar has close ties with producer Greg Kurstin, who has not only produced her music but was behind the board for "Concrete And Gold".

Grohl also spoke about the recording sessions in the interview, saying: "Without telling anybody, we've been in the studio for the last six months and we made the biggest-sounding FOO FIGHTERS record we've ever made."

The FOO FIGHTERS frontman continued: "Honestly, I think it's going to take a lot of people by surprise. Every band says it's the best record they've ever made, but wait till you hear it. It's definitely the hugest thing we've ever done."

"Concrete And Gold" will arrive on September 15. The first single and video, called "Run", is out now.

FOO FIGHTERS will celebrate the release of the album with a fall North American tour. They kick it off on October 7 with Cal Jam 17, a full day's worth of music headlined by the FOO FIGHTERS and also including QUEENS OF THE STONE AGE, CAGE THE ELEPHANT, Liam Gallagher, ROYAL BLOOD, THE STRUTS, THE KILLS and a dozen more acts.

The rest of the tour begins on October 12 in Washington D.C. and will last through December. Tickets will go on sale at 10:00 a.m. local time on June 26.