Mark Chadwick

It's Neko's "These Days," which is a pretty nice cover of a Jackson Brown song. Not a fan of her voice, but that guitar part is so perfect sounding.

Nice! Thanks!

The points on the map are just the center-points of zip codes. You can get them somewhere from the Census database.

There's also an excellent chapter in Ben Fry's "Visualizing Data" about plotting Zips with nice projection and all that.