Cover songs can go either way. They can be hit or miss. Most of the time when you hear a cover song, you can at least hear a small bit of the original in there somewhere. But every now and then, the new artist decides to go completely off the page and take the song for a walk. That's what happens in this video.
Every cover band in the world plays a cover of the Guns N' Roses hit, Sweet Child O' Mine. But have you ever heard it covered in the style of a 1920's New Orleans jazz band? Probably not. But it's awesome.