Foo Fighters frontman Dave Grohl revealed in an interview with ET Canada that Paul McCartney will appear on the band’s upcoming record Concrete and Gold, due out September 15.

The next collaboration between Grohl and McCartney features the famed Beatle on drums on an undisclosed song. “He’s a pal,” Grohl said. “We’ve known him for a long time. He’s great. He’s the most wonderful person in the world.”

As for McCartney playing drums, Taylor Goldsmith recounted the encounter by saying, “He sat on this special drum set that his tech set up for him. I sat there with a drumstrick conducting. He did two takes.”

Concrete and Gold arrives September 15.