It’s one of those on stage moments, that you would not believe it if you didn’t see it.

Dave Grohl, front for the Foo Fighters and former Nirvana drummer, took the stage with none other than Beatles legend Paul McCartney for a more rock version of “I Saw Her Sanding There.”

Take a look at the video on YouTube.

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Grohl shreds during the lead guitar solo as McCartney steps back on the O2 Arena stage in London.

It was the first stop of McCartney’s two-month summer tour.

He has stops in Liverpool, Amsterdam, Paris and Chicago.

>>Get the details on McCartney’s 2015 tour here.

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A migrant farmworker harvests Vidalia onions at a farm in Collins, in 2011. A coalition of farmworkers, including one based in Georgia, filed suit last month in federal court arguing that cuts to H-2A wages will trigger a cut in the pay and standard of living of U.S. agricultural workers. (Bita Honarvar/AJC)

Credit: Bita Honarvar