Walk Off The Earth "Material Girl" (Davin Black, dir.)

I'm actually not sure if Walk Off The Earth is a band or a cult. Either way, they make most other musical acts look lazy and boring.

This one-shot video for is a staggering display of complex choreography, with singer Sarah Blackwood hitting every mark. While very pregnant, no less.

The Madonna cover itself is also a creative arrangement, incorporating all sorts of instruments along the way.