Jack Black joined The Go-Go’s onstage at a benefit concert in Los Angeles on Saturday (August 23rd), mashing up the latter’s hit “We Got the Beat” with the Black Sabbath classic “Paranoid.”

The performance capped off a seven-hour concert in the backyard of TV writer Donick Carey’s home, with proceeds benefitting the Musack Foundation . Throughout the night, a number of other notable comedians and musicians performed, including Fred Armisen, Thomas Lennon, Margaret Cho, Robyn Hitchcock, Lisa Loeb, Bikini Kill’s Kathleen Hanna, Love and Rockets’ David J, The Cure’s Lol Tolhurst, and more.

Black was backed by The Go-Go’s Charlotte Caffey, Jane Wiedlin, and Gina Schock, as well as Armisen and others, as he appeared in his typical tie-dye outfit, singing and dancing very much like The

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