Internet Guide - Music
Allmusic Guide
http://www.allmusic.com
Guide to the world of popular music.
Billboard
http://www.billboard.com
Online home of the music industry weekly magazine Billboard.
Instrument Encyclopedia
http://www.si.umich.edu/chico/instrument/
Online instrument encyclopedia from the Stearns Collection at the University of Michigan.
Last.fm
http://www.last.fm
Recommends music, videos and songs based on your music preferences.
Pandora Radio
http://www.pandora.com
Personalized Internet radio.
