Normally, we here at BroBible aren't huge a capella fans. Something about bouncing up and down in a semi-circle just doesn't really get us going. Like anything else though, there are always exceptions.
Here we have a guy doing up the 90's in pretty inventive fashion. The Bill Nye Tribute is just icing on the Carvel Ice Cream Cake. With crunchies.
[H/T: Viral Viral Videos]