Todd Rundgren, a singer and songwriter, warned fans not to attend his concerts if they are Donald Trump Donald John TrumpBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Military leaders asked about using heat ray on protesters outside White House: report Powell warns failure to reach COVID-19 deal could 'scar and damage' economy MORE supporters, saying “buyer beware.”

“If I had the power, I’d say: If you’re a Trump supporter, don’t come to my show, because you won’t have a good time,” Rundgren said in a Variety interview released Sunday.

Rundgren collaborated with an array of artists for his new album “White Night,” including Donald Fagen. Together, Fagen and Rundgren produced an anti-Trump song called “Man in the Tin Foil Hat.”

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Lyrics include: “He’s coming down the escalator with a girl from east of here, because the man in the tin foil hat is tweeting like a teenage girl. He put’s the ‘pluto’ in plutocrat, he hasn’t got time for losers, unless they do what he demands.”

Rundgren said his shows will contain many insulting jokes about the Republican president, warning that it could be a turnoff for the president's supporters

“I guarantee that in this show, if you’re a Trump supporter, you will likely be offended. Let the buyer beware! I mean, if you can’t take a joke, or you can’t admit that you’ve made a mistake, you don’t belong with the rest of us,” he said with a laugh, according to the interview.

Rundgren also said he also questions the values of Trump supporters.

"And also, I don’t understand your frickin’ values. Because I’m not singing about that. If you don’t understand that basic thing, you’re just fooling yourself," he added.