AMG All Music Guide This is an almost complete database of every music recording ever made, cataloged by artist, album, composer, and label. This link is for the popular music section; there is a separate section for classical music.

Bagaduce Music Lending Library A comprehensive collection of sheet music; membership is very reasonable.

The Theatre-Sound Listserver An excellent discussion list for all issues relating to sound in the theatre.

Sounddogs.com, Sonomic.com, and The Sound Effects Library Three places to buy quality sound effects off the web.

HTML Goodies The best set of tutorials on building a web page, ever.