Subcategories:

Commercial Sites (2)
Instruments (9)
Jobs and Positions (1)
Recordings (4)

Links:

Band Contacts - Join or form a band, buy or sell musical equipment, advertise your band, find gigs or find a music resource in your area. All ads are free.
Bandname.com - Free classified ads for bands, musicians and the music industry.
Central Illinois Musicians Classifieds - Free classifieds for musicians and their gear.
Chambermusic.co.uk - Classified ads as well as an extensive sheet music database and a concert guide.
Classified Ads for Classical Music - Look for a teacher or a student, find a tuner, buy or sell a used instruments. Post any classified ads relating to classical music for free.
Communitymusician.com - Free classified ads for musicians organized by city.
Eastern Canada Music Classifieds - Free music related classified ads - record labels, booking agents, clubs, bands seeking work, freelance musicians and instruments buy/sell. Atlantic Canada focus.
Employment from Musicians Contact - Nationwide employment, jobs, work, referrals, gigs, classifieds, to players and singers, wanted and available.
ExpoDream - Free online classified ads for musicians, bands, and music related professionals, posting musicians search, music events, jobs and projects.
FluteClassifieds Dot Com - Classified advertisement site for flutists.
Free Music Classifieds - Free classifieds for musicians, music equipment sales, music industry employment, songwriter opportunities, entertainment employment and concert production staffing.
Free Musicians' Classifieds - Automated classifieds system for musicians and music business professionals.
GigFinder - Comprehensive musician's referral service. Free targeted classified advertising and music industry search engine.
GigsOnline - Information regarding all aspects of performance, including finding gigs, bands, players, and musical instruments. Located in New England.
Guitars Canada - A Canadian guitar resource site. Free classifieds and information
Jamsession Musicans Database - Free database for musicians targeting musicians in the UK, Ireland and Channel Islands.
Jerseymusic.com - New Jersey's local music resource, with free music classifieds & message boards.
Lets Jam.com - Free musicians resource site featuring a large referral database service, buy/sell/trade classified ads, free email and free web pages. USA based
Localsound.com - Where independent musicians can come and advertise their music, find a gig, find a recording studio, post a classified or link or join a music webring.Provides clubs with a connection to bands who need gigs and bands with conections to industry promoters and recording studios.
Music & Audio Classifieds - Music classified ads. Business opportunities, for sale instruments, musical acts available and wanted.
Music Collectors.com - Classifieds for hard to find Albums, Compact Discs, Cassettes, and Music Memorabilia.
Musicians WebSearch Classifieds - Musicians free classified ads and all-original music in Shockwave streaming audio.
Musicmates - New Zealand - Find musicians or bands in New Zealand. Place free musical equipment classifieds.
N.Y. Underground - Musicians looking for musicians, band reviews, concert and gig listings.
Octaves - Read or place advertisements for music relsted items.
Partysounds UK Bands and Musicians Ads - Free musicians classified ads and a large searchable database of uk bands. Useful for bookers and musicians
Proship Entertainment - Work for musicians on cruise ships.
Ralphworld - A directory of musicians bands and gigs, searchable by style, instrument and zipcode.
Recordsmith Pop Music Collectables - Popular music recordings from the last 100 years in CD, vinyl, LPs and singles.
SAMIGO the music meeting point - Offers free music services, ads, classifieds, auctions, buy/sell instruments, concert dates and music magazines. (Italian, English and French)
St. Louis (MO) Area Music Classified - Designed to help musicians find playing opportunities, sell and buy musical equipment, and keep up-to-date on various musical events in and around St. Louis.
That Music Place - Classified ads for music lovers, USA based.
The Muse's Muse - Classifieds for Songwriters
UK Musicians Web - National UK Musicians Classifieds Web site. Broken down into different regional sites for clarity. All ads are free.
flashrock classifieds - Buy, sell and trade used musical gear using free classifieds.