Foo Fighters had a surprise guest during their set at the Global Citizen concert VAX LIVE: The Concert to Reunite the World: AC/DC’s Brian Johnson.

Johnson was brought out on stage to perform the AC/DC classic “Back in Black.” While the concert itself won’t air until May 8, some fan-shot footage was uploaded to YouTube and can be viewed below.

As previously reported, VAX Live: A Concert to Reunite the World will be simulcast on ABC, CBS and Fox and will also stream on YouTube. In addition to Foo Fighters, the concert’s lineup will feature performances from Eddie Vedder, Jennifer Lopez, J Balvin and H.E.R.

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Erica Banas is a rock/classic rock news blogger who's well-versed in etiquette and extraordinarily nice. #TransRightsAreHumanRights