Soundcloud works like an inbox, so new
songs come in from your friends (or from artists and
record labels) and you can handle them all in one
convenient place. You can also put a dropbox on any site
(including MySpace, Facebook, and your blog) where
people can click to send you a track.
If you're a musician, SoundCloud
looks like a good place to post your new tracks.
Each song gets its own URL and its own privacy
settings, so you can decide who's allowed to listen
to or download it. Create Digital Music says
SoundCloud could be the Flickr of music, and after
testing it out, I'm inclined to agree.