What song is this?

[i want a laptop]

Go here, go to 5:40 on the video, WHAT SONG IS IT?

http://www.pbs.org/wgbh/nova/physics/elegant-universe-einstein.html

 

[FlightSimBoy]

Are you doing this as a joke, quiz, or do you legitimately not know?

Pachebel's Canon in D.

 

[i want a laptop]

Ah Pachebel's Canon! No honestly this was not a joke or a quiz, I had forgotten the name. Thank you very much for jogging my memory, mods can close this thread now if they feel is appropriate.