We didn't think they could ever top this, but by george they've outdone themselves!!!
Walk Off The Earth have released ANOTHER A cappella version of one of the best songs around, and this time it is the fabulous Taylor Swift's I Knew You Were Trouble.
See if you can watch it as many times as we have already!
Lets see - this is about our ten millionth time seeing it, HA!
Ch-ch-check it out by clicking PLAY directly (above) !!!