BTW, everything we're doing is open and documented , shipped in source code, using XML-RPC which is pretty well deployed. In other words, even if Radio UserLand isn't your favorite playlist software, you'll be able to participate, if the developer of your favorite software works with these formats and protocols. Here's a great story. EFF detonates a mind bomb in court. I agree with that characterization and fully support them.
Websites are definitely a form of creative expression, are playlists and software.
Personally I like to create mind bombs too, and I am also a user of mind bombs. Keep em comin. We're still looking for nirvana in Windows music playing apps. In this DG message I explain what it takes to rule our world from a music-playing standpoint. A simple COM interface.