I know I should be writing my papers but..

But sometimes there are some really sweet stuff on the internet.

Like this:

Itzhak Perlman demonstrates 'easy' and 'hard' on Sesame Street

http://www.youtube.com/watch?v=z3richcoCUI

Yo-yo Ma and Hoots play some music

http://www.youtube.com/watch?v=IRixaQ4hpEI

Johnny Cash plays Oscar's Favorite song: Nasty Dan

http://www.youtube.com/watch?v=H75eQX006jA

Elmo scares Julia Roberts

http://www.youtube.com/watch?v=PA2Nupq6nYo