Fill your iPod with something different. I don’t mean more indie rock or the latest in hip-hop or electronica. I mean Norwegian jazz, Zaire club house, slide guitar from India, Russian underground, Ethiopian acid pop.
An awful lot of great world music can be easily had from the usual sources, including Amazon and iTunes, but most of the rest of the world’s local music has very small audiences and must still be “imported.” This source specializes in esoteric import CDs of traditional and contemporary world music not found on Amazon, iTunes and the like. This is the far end of the “long tail” music scene.