Last night (May 3), James Hetfield and Kirk Hammett of Metallica played the national anthem at AT&T Park before the start of the San Francisco Giants game against the Los Angeles Dodgers. The video is embedded above.

The performance was part of Metallica Night. The guitars played by Hetfield and Hammett - black with the Giants' logo painted on them - were later signed by the band and auctioned off by the team. The auction raised more than $15,000 for the Giants' Community Fund and the Bill Graham Memorial Foundation.

In addition to the duo's rendition, Lars Ulrich threw out the first pitch, and fans who purchased the ticket package for the game received a limited-edition Giants cap featuring Metallica's logo.

Metallica's connection to baseball is well known. Their classic 'Enter Sandman' has long been used as the entrance music for Mariano Rivera, the Hall of Fame-bound closer for the New York Yankees.

"It's been great," Hetfield told the team's website. "I love the fact that we inspire some next level of performance, because that does it for us, too. We love playing it and it shows."

Last week, veteran Giants lefty Barry Zito jam with the band at their headquarters in San Mateo, Calif. Watch the video below.

Whatever forces Metallica were able to summon with their music apparently worked. The Giants defeated their biggest rivals, 2-1, on a walk-off home run by Buster Posey, who also drove in the tying run in the sixth inning.

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