‘I Knew You Were Trouble’ Walk Off The Earth Cover [VIDEO]

When you look at people doing covers on YouTube, most are just okay - until you see a cover done by Walk Off The Earth.

This is the latest video from the popular YouTube group , this time doing it a capella style - and it absolutely blows us away. This particular video features the talents on voice effect sensation KRNFX, who is just amazing.

It makes us sad that we can't play an instrument, let alone mimic the sounds with our voice. Looks like we found our New Year's resolution. Develop talent.