According to a River Falls Police Department report, Drinkwine throttled singer James Mischler, 28, and his friend Cyrus Kozub, 29, "over one's ability to sing karaoke."

Though cops did not specify which song set Drinkwine off last week, Kozub told TSG that Mischler was performing "Holy Diver," the title cut on Dio's 1983 debut album (the band is fronted by Ronnie James Dio of Black Sabbath/Heaven and Hell/Rainbow fame). - more on this story

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