Brian Johnson Teams Up With Foo Fighters on Upcoming Special AC/DC's Brian Johnson joined Foo Fighters onstage last night for a spirited rendition of "Back in Black." The rock 'n' roll titans teamed up at Global Citizen's "Vax Live: The Concert to Reunite the World" at Inglewood, Calif.'s SoFi Stadium. The purpose of the star-studded event is to "[call] on world leaders to step up to make sure vaccines are accessible for all so we can end the pandemic for everyone, everywhere," according to the Global Citizen website. Vax Live: the Concert to Reunite the World will air at 8PM ET on May 8 on YouTube, ABC, ABC News Live, CBS, AXS TV, iHeartMedia radio stations and the iHeartRadio app. It will air again at 11PM ET on Fox. Selena Gomez will host the special, which also features performances from Eddie Vedder, Jennifer Lopez, J Balvin and H.E.R. Ben Affleck, Chrissy Teigen Jimmy Kimmel and other celebrities will also make appearances.