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
Red
