Alex and Brody Gage have been playing harmonica since they were five, and brought their impressive harp-blowing skills to the virtual stage of “America’s Got Talent” for the judge rounds.

Known collectively as Brothers Gage, the duo performed a high-octane harmonica version of LMFAO’s “Party Rock Anthem”, while showing off a bit of fancy footwork.

Judge Howie Mandel admitted he “was never a fan of the harmonica until you guys came on the show.” Now, he’s facing “a really tough decision” about sending them through to the next round.

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Sofia Vergara found their performance “a little bit sexy,” while Heidi Klum compared it to “a music video.”

Simon Cowell didn’t sound confident they’d make it through, telling the bros, “Let’s see what happens.”

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