Best Sesame Street Videos We Posted in 2009

This year I posted a bunch of Sesame Street videos. YouTube is a wonderful thing, and what's better is that the folks at Sesame Street post tons of clips online, and don't seem to file many rights complaints against others who post clips. For your convenience, I've collected the best of this year's Sesame Street discoveries into one post. Click away, and be transported into the slightly orange-tinged 70's and yellowish 80's!
How Crayons Are Made
From Retro Video: How Crayons Are Made.
Philip Glass on Sesame Street
From Sesame Street + Philip Glass = Crazy Brain Explosion. Two videos:
The Yip Yips Meet a Computer
From The Yip Yips (this is the only video from that post that remains available).
A Gazillion Musicians and Their Awesome Sesame Street Appearances
Rather than post roughly 30 videos here, I'll just link to the two posts: The Late Movies: Musicians and Their Awesome Sesame Street Appearances, and The Late Movies: 15 MORE Musicians and Their Awesome Sesame Street Appearances. I'll give you two videos as enticement to check out the rest, though:
Got Other Favorite Sesame Street Videos?
Post links in the comments!