Metallica fans got the surprise of a lifetime on December 10, 2011, when former guitarist Dave Mustaine joined the band on stage for a historic reunion. The one-time performance happened during the final night of Metallica’s 30th anniversary celebration at The Fillmore in San Francisco. It was loud, raw, emotional—and something fans thought they’d never see.

A Full-Circle Moment

Dave Mustaine, who played a major role in Metallica’s early sound before forming Megadeth, had a famously rocky split with the band back in 1983. So when he stepped onstage to play “Phantom Lord” from Kill ‘Em All, it was more than just a musical performance—it was history in the making. Despite decades of tension, the moment showed mutual respect and a long-overdue nod to the band’s roots. The energy in the room was electric as Mustaine shredded alongside James Hetfield, Lars Ulrich, Kirk Hammett, and Robert Trujillo.

Metallica’s 30th Anniversary Blowout

The show on December 10, 2011, was the final concert in a four-night series celebrating Metallica’s three-decade legacy. Held at the legendary Fillmore, the concerts featured a different lineup of surprise guests each night, including Ozzy Osbourne, Rob Halford, Jerry Cantrell, and members of Diamond Head. But Mustaine’s return stole the show. Fans roared as Metallica ripped through early classics like “Jump in the Fire,” “Metal Militia,” and, of course, “Phantom Lord.” The band dug deep into their early catalog, giving longtime followers a true taste of their beginnings.

A Reunion Fans Thought Would Never Happen

The sight of Dave Mustaine on stage with Metallica wasn’t just nostalgic—it was emotional. For years, fans speculated if such a reunion could ever happen. On that night, grudges were set aside in the name of metal. The performance felt like a healing moment not only for the band but for fans who had followed both Metallica and Megadeth for decades.

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Relive this epic performance in the video below: