music made with 140 characters of code
 

In conjunction with The Wire magazine, a unique collection:
22 pieces by artists from around the world, each piece created with just 140 characters of code.

Some pretty neat stuff in here.

Check this one out too: SiON140. Music made in 131 characters, so that the compositions can be shared on Twitter. Click play on each of the given examples, or copy and paste the code to be able to tweak them.