AccuJazz
A great radio site for jazz! It's very U.S.-biased unfortunately, but it's got a great selection nevertheless and caters for more experimental AND traditional tastes...Edition Records
It's about time [I say loftily] that there was a decent high-profile artist-led label in this country. And here it is!Epitonic
The original genre-spanning radio station.UbuWeb
A vast resource of the Western avant-garde in music - includes The Avant-Garde Project too.