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!
NEW TOUR DATES COMING VERY SOON!!!
Check out KRNFX:
Check out KRNFX on YouTube here: youtube.com/krnfxtv
You won't be disappointed!
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