It’s a treat when legends collide, but it’s especially exciting when those legends represent the music of their generation. For Boomers, Sir Paul McCartney is arguably the biggest icon. For Gen X, Nirvana’s grungy sound fills that role. So when McCartney realized he had stumbled into being a temporary frontman for Nirvana, many fans were elated.

An Instagram Reel making the rounds on @RockMusic’s page shows McCartney in a crisp white shirt at the center microphone. His voice, raspier than usual, matches Dave Grohl’s thrashing drums, Krist Novoselic’s pounding bass, and Pat Smear’s punky backing guitar. A chyron reads, “Paul became the frontman for Nirvana for one night and absolutely killed it.”

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In the middle of a Nirvana reunion

The OP explains in the comment section, “In 2012, Paul McCartney joined surviving Nirvana members Dave Grohl, Krist Novoselic, and Pat Smear for a collaboration nobody saw coming. McCartney later joked that he hadn’t initially realized he was........

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