Slipknot percussionist Shawn "Clown" Crahan has shared in an interview with producer Rick Rubin's Tetragrammaton podcast that he needs to undergo heart surgery.

"I have a skipping heart and I got to get a surgery," Clown, 56, tells Rubin. "I found this out after my last tour."

Clown says that when he went to see a doctor, "They thought I was having a heart attack right there."

"I'll go from 'on' to just straight up, I feel like I'm dying," he says. "So I got to get a surgery."

Clown adds that the operation is a "very easy surgery" and that "you're usually out on the same day." He also says that at first he thought he might have to get a pacemaker, which made him worried that he wouldn't be able to continue to tour.

"[The doctor] goes, 'Oh, no, you're going to feel better,'" Clown says.

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