James Plakovic composes lots of scores that take the form of a composer, an object, or in this case, a map of the world. Set in 2/4 time signature with 32 bars, the piece does a pretty accurate job of depicting a standard Mercator projection that starts and ends with Asia.
Here's a taijitu:
Here's a John Lennon portrait:
Here's a hi-res version of the world beat map:
If you're wondering what the map sounds like, here it is performed:
• World Beat Music (via James Plakovic)