8-Track Heaven
Includes classifieds, collecting fun, history, articles, galleries of cassettes, guides to repairing old tapes, extensive FAQs, hate mail, and trivia. Also home of "So Wrong They're Right," a "tracker" documentary.

A1 CD Creator
Archive of Audio CD covers and disc labels.

Acres of Historic Videos & CDs
Specializes in hard-to-find classic, timeless video and CD sets.

Adventures in Cassettes
Specializing in vintage radio shows and related products.

Aj's Music and Vintage Guitars
Buy, sell, and trade vintage rare electric and acoustic guitars and amplifiers.

Altnoise.com
Rare and collectable vinyl and CDs from the UK, featuring Indie and Rock.

American Musical Instrument Society
The American Musical Instrument Society is an international organization founded in 1971 to promote better understanding of all aspects of the history, design, construction, restoration, and usage of musical instruments in all cultures and from all periods.

Audio and Vinylphiles Forums
Discussion of vinyl records and audio topics.

Bandhits
Collection of hard to find vinyl and CDs from the UK.

Bavo Dekker
Specialize in vintage audio recording equipment.

Black Vibes
Specializes in discount and hard-to-find recordings.

Boston Pete's OTR Place
Provides old time radio books, CDs, broadcasts, and live streaming audio.

Both Sides Now Publications
Publisher of a guidebook and newsletter about oldies on CD.

British Beat Merchant Co.
Collectable records and CDs for Rock n Roll lovers.

Bronzing CDs
Informative page from Hyperion Records on CD bronzing, also called CD rot.

California Albums: For the largest selection of used albums and vinyl.
stocked mail order vinyl record dealer. We offer collectible vinyl albums in over 60 categories of musical style. Try us first!

CD 3 Music
A resource for collectors of 3 inch CD singles, also known as mini CDs or CD3. Includes cover art, tracklistings, and release details.

Classic Radio Gallery
Online museum of the highlights in radio design from the 1920s to the 1950s. Radios for sale and schematics are available to help repair your old radios.

Classic UK 45s
Discographies, biographies, and anecdotes concerning UK issued 45s of the 1950s and 1960s.

Classical Net
Offers a comprehensive collection of information on classical music subjects, including a basic repertoire list and a guide to building a classical CD collection.