Raphael Fontes' random posts on Tech, Web, Photography, Tools, Music and whatever other things he thinks is cool. My other blogs: FLYABYTE, Cloud Computing for Real People.
Tangerine! lets you easily create playlists of upbeat music, or playlists for relaxing. It works by analyzing the BPM and the beat intensity of your music. Spend your time listening to music, not making playlists.