A video of Japanese kindergartners elevates the musical genre of "cute kids singing unexpected songs" with their adorable rendition of "Dayman" from It's Always Sunny in Philadelphia .
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What's more, the kids don't shy away from those high notes, and throw their own choreography into the mix. A+ for everyone involved.
And bonus marks: A drawing of Peter Griffin from Family Guy is featured on the white board behind them (for some reason).
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Homepage image: YouTube, Man Bear Pig.