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Queens of the Stone Age frontman Josh Homme is apparently still upset about the Grammys. 

The rocker's closing performance at last month's awards show with Nine Inch Nails, Dave Grohl, and Lindsey Buckingham was unceremoniously cut short.  Nine Inch Nails leader Trent Reznor cursed out Grammy producers that night via Twitter, but Homme waited until this past Sunday to publicly express his anger. 

During a Queens concert in Houston, he directed f-bombs toward "the man," the Grammys, and Imagine Dragons, who beat out Homme's band for the Best Rock Performance Grammy. 

Homme started his rant by cracking a joke about playing an Imagine Dragons cover song, which drew jeers from the Texas crowd. 

Check out his tirade below! (Warning: Graphic Language)