[Video] Brilliant Acapella Cover of Taylor Swift's "I Knew You Were Trouble"

Walk off the Earth hooked up with KRNFX for this 'a cappella - Beatbox' version of Taylor Swift's hit "I Knew You Were Trouble".

Every sound in this video is made by a human mouth!



@krnfx
@walkofftheearth

Check this tweet:

I've had so many people send me this. SO unbelievably cool. youtube.com/watch?v=WcM14A…! @walkofftheearth @krnfx

— Taylor Swift (@taylorswift13) January 7, 2013

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