it would be great if wordpress.com would support soundcloud widgets with a widget shortcode like
SoundCloud is arguably the best way to send, receive and distribute music on the web. Its currently very fast-growing community of 25 000+ artists and labels are using soundcloud to get their music out to other producers, fans and music blogs.
Some people call it "Flickr for music", some "cloud services for bands/labels". Here's some coverage:
Here's an example of the embedded SoundCloud flash widget on my (hosted wordpress) blog:
the embed code is a straight-forward flash embed, no special requirements.
eric [founder and cto, soundcloud.com]