PUBLIC MARKS with tags "music recommendations" & "music search engines"

"Grooveshark is a web-based music application built for anyone on the internet to listen to music on-demand at no charge. Users have the ability to listen to single songs from the 7-million song catalog, save playlists, and embed both on other websites, blogs, and social media profiles via the Grooveshark Widget." [techcrunch]

"Audiobaba is a next generation music search engine that allows you to find songs by acoustic similarity." Only plays 30 second samples. Artists can upload music, so it might be a way to discover independent artists, if you don't mind sorting through the haystack. Shows album covers which is kind of cool.

Seeqpod offers a fast way too search for mp3's, and videos for any artist. Add what you like from the results to a playlist that you play, save and share.