German MP3 site

To read Kafka in the original, to seduce Nastassja Kinski in her native tongue, to scare small children: These are excellent reasons to learn German. And now I add another: to find my way around Tonspion. This looks to be one of the best collections of free and (at least mostly) legal MP3s on the Web. Without knowing German it's a bit tricky to navigate, but with a little persistence and a lot of trial and error, you'll find some exciting stuff here.