OK Go

Ok Go - This Too Shall Pass (Rube Golberg version)
Wikipedia Article

Ok Go - This Too Shall Pass (Notre Dame Marching Band version)

Ok Go - Needing/Getting
Wikipedia Article

Ok Go - All Is Not Lost (featuring Pilobolus) - note, I've dubbed this video a celebration of the buttock!
Wikipedia Article on Song
Wikipedia Article on Pilobolus

White Knuckles - All dogs are shelter rescues, furniture by IKEA
Wikipedia Article

Here It Goes Again - The video that started it all
Wikipedia Article

The Last Leaf - stop motion animation

These are the ones I refer to constantly.  Obviously, one could use thousands more, but I find these super creative and fitting to my music curriculum and to the songs itself.  If there are any physics teachers out there, the Rube Golberg video is incredible to show.