CDcovers.CC (Popularity: )
http://cdcovers.cc/ Large online archives for CD covers. Includes a covers search engine, bulletin board, and request section.
Classical Net (Popularity: )
http://www.classical.net/ Offers a comprehensive collection of information on classical music subjects, including a basic repertoire list and a guide to building ...
Collecting CD Videos (Popularity: )
http://www.cdvideo.info/ Information about CDVs (a short-lived digital/analog hybrid CD single format from the late 1980s) from a collector.