American Choral Directors Association (www.acdaonline.org/)
Artsong Update (www.artsongupdate.org/index.html)
ChoralNet: the Internet Center for Choral Music (www.choralnet.org/)
The Diction Domain (www.scaredofthat.com/dictiondomain/)
International Federation for Choral Music (ifcm.net/index.php)
Musica International Database of Choral Music (www.musicanet.org/)
National Association of Teachers of Singing (www.nats.org/)

Gregorian Chant (www.music.princeton.edu/chant_html/)

BMG's Classics World contains short biographies of many classical composers. The composers are listed alphabetically. Other web pages for some individual composers are given below.

Ludwig van Beethoven Leonard Bernstein (www.leonardbernstein.com)
Luigi Boccherini (www.classical.net/music/comp.lst/bocchrni.html)
Anton Bruckner (www.camosun.bc.ca/~dbarker/bruckner.html)
Edward Elgar (www.elgar.org/)
GershwinFan.com (George & Ira Gershwin Educational Page) (www.gershwinfan.com/)
Gilbert and Sullivan Archives (diamond.boisestate.edu/gas)
Leos Janacek (www.sun.rhbnc.ac.uk/Music/Janacek/)
Gustav Mahler (www.netaxs.com/~jgreshes/mahler/)
Mozart Society of America ( http://www.unlv.edu/mozart/)
Harry Partch (www.corporeal.com/cm_main.html)
The Rachmaninoff Society (www.classical.net/music/guide/society/rach/rachtop.html)
John Philip Sousa (www.dws.org/sousa/)
Karlheinz Stockhausen (www.stockhausen.org)
Morton Subotnik (www.newalbion.com/artists/subotnickm/)
Peter Ilyich Tchaikovsky (www.classical.net/music/comp.lst/tchaikov.html)
Louis Vierne (www.netreach.net/~druid/Louis_Vierne.html)
Heitor Villa-Lobos (www.rdpl.red-deer.ab.ca/villa/)
Richard Wagner Andrew Lloyd Webber Online (www.westegg.com/unmaintained/alw/)
Kurt Weill (www.kwf.org/)

The Allentown Band (www.enter.net/~brandar/ABindex.html)
American Bandmasters Association (www.americanbandmasters.org/)
Association of Concert Bands (www.acbands.org/)
Atlanta Wind Symphony (www.atlantawindsymphony.org/)
Austin Symphonic Band (www.asband.org/)
College Band Directors National Association (www.cbdna.org/)
Colorado Wind Ensemble (www.coloradowindensemble.org/)
Dallas Wind Symphony (www.dws.org/main.htm)
Eastman Wind Ensemble (http://www.esm.rochester.edu/ewe/)
Metropolitan Wind Symphony (www.mws-boston.org/)
National Band Association (www.nationalbandassociation.org/)
New Orleans Concert Band (http://www.gnofn.org/~nocb/)
The New Sousa Band (www.newsousaband.com/)
North Texas Wind Symphony (www.music.unt.edu/ensembles/wind_symphony.shtml)
Oregon Symphonic Band (www.osband.org/)
Salt Lake Symphonic Winds (www.slc.k12.ut.us/staff/briblo/slsw/)
San Jose Wind Symphony (www.sjws.org/)
Stockholm Wind Symphony (www.blasarsymfoniker.nu/sidor/english_1.html)
Tokyo Kosei Wind Orchestra (http://www.tkwo.jp/English/Profile/Profile.html)
United States Marine Band (http://www.marineband.usmc.mil/)
The United States Military Academy Band (www.usma.edu/band/)

American College of Musicians/National Piano Guild (www.pianoguild.com/)
American Federation of Violin and Bow Makers (www.afvbm.com/)
American Recorder Society (ourworld.compuserve.com/homepages/recorder/)
American Viola Society (www.americanviolasociety.org/)
Canadian Viola Society (www.viola.ca/)
Classical Guitar Homepage (www.guitarist.com/cg/cg.htm)
The Guitar Foundation of America (www.guitarfoundation.org/)
The Hidden World of the Viola d'Amore (www.violadamore.com/)
International Clarinet Association (www.clarinet.org/)
International Double Reed Society (idrs.colorado.edu/)
International Horn Society (www.hornsociety.org/)
International Society of Bassists (http://www.isbworldoffice.com/)
International Trombone Association (http://www.ita-web.org/)
International Trumpet Guild (www.trumpetguild.org/)
National Flute Association (www.nfaonline.org/)
North American Saxophone Alliance (www.saxalliance.org/)
Percussive Arts Society (www.pas.org/)
The Piano Page (Piano Technician's Guild) (www.ptg.org/)
Tubists Universal Brotherhood Association (International Tuba Euphonium Association) (www.iteaonline.org/)
Viola da Gamba Society of America (http://vdgsa.org/)
Viola d'Amore Society of America (viola.com/violadamore/)
The Viola Web Site (www.viola.com/)
Violin Society of America (http://www.vsa.to/)

Louis Armstrong House & Archives (http://www.satchmo.net/)
Big Bands Database Plus (64.33.34.112/index.html)
Benny Carter (www.bennycarter.com/)
John Coltrane (www.northwestern.edu/jazz/artists/coltrane.john/)
Paul Desmond (http://www.puredesmond.ca/)
Duke Ellington (www.northwestern.edu/jazz/artists/ellington.duke/)
Peter Erskine (petererskine.com/)
Herbie Hancock (www.nwu.edu/jazz/artists/hancock.herbie/)
Jazz Improvisation Page (hum.lss.wisc.edu/jazz/)
JazzWorld (www.jazzworld.com/)
Charles Mingus (www.siba.fi/~eonttone/mingus/)
Thelonious Monk (http://www.howardm.net/tsmonk/tsmonk.php)
New Orleans Jazz Heritage Festival (http://www.nojazzfest.com/)
Rocky Mountain Ragtime Festival (www.ragtimers.org/)
Woody Shaw: Discography (www.northwestern.edu/jazz/artists/shaw.woody/discog.html)

American Bandmasters Association (www.americanbandmasters.org/)
American Music Therapy Association (www.musictherapy.org/)
American Orff-Schulwerk Association (www.aosa.org/)
American String Teachers Association (www.astaweb.com/)
College Band Directors National Association (www.cbdna.org/)
International Foundation for Music Research (www.music-research.org/)
"A gateway to research information in the fields of music education, music psychology, music therapy, and music medicine"
International Association for Jazz Education (http://www.iaje.org/)
Music Educators National Conference (www.menc.org/home.html)
National Association of College Wind and Percussion Instructors (http://www.nacwpi.org/)
National Band Association (http://www.nationalbandassociation.org/)
Nevada Music Educators Association (http://www.nvmusiced.org/)
Organization of American Kodaly Educators (http://www.oake.org/)
Resources for Music Educators (www.ed.uiuc.edu/music-ed/)

Arizona State University (www.asu.edu/lib/music/)
Bowling Green State Univeristy (www.bgsu.edu/colleges/library/music/music.html)
Brown University (www.ruf.rice.edu/~brownlib/music/music.html)
Center for Black Music Research (www.cbmr.org/)
Center for Popular Music (popmusic.mtsu.edu/)
Chicago Jazz Archive (www.lib.uchicago.edu/e/su/cja/)
Cornell University (www.library.cornell.edu/music)
Country Music Foundation (www.halloffame.org/)
Duke University (www.lib.duke.edu/music.index.htm)
Eastman School of Music (Sibley Music Library) (www.rochester.edu/Eastman/sibley/)
Florida State University (www.lib.fsu.edu)
Harvard University (hcl.harvard.edu/loebmusic/edu)
Indiana University (www.music.indiana.edu/muslib.html)
Institute of Jazz Studies (www.libraries.rutgers.edu/rul/libs/jazz/jazz.shtml)
The Juilliard School (www.juilliard.edu/libraryarchives/libraryarchives.html)
Library of Congress Music Division (lcweb.loc.gov/rr/perform)
Michigan State University (www.lib.msu.edu/coll/main/finearts/music/)
Music Library Association (www.musiclibraryassoc.org/)
The New York Public Library for the Performing Arts (www.nypl.org/research/lpa/lpa.html)
New York Public Library (www.nypl.org/research/lpa/mus/mus.html)
Northwestern University Library (www.library.northwestern.edu/music/)
Ohio State University (www.lib.ohio-state.edu/music/
Peabody Conservatory of Music (www.peabody.jhu.edu/index.php?pageID=122)
Princeton University (libweb.princeton.edu/libraries/music/index.php)
Sousa Archives for Band Research (University of Illinois) (www.library.uiuc.edu/sousa/)
Stanford University (www-sul.stanford.edu/depts/music/)
SUNY, Buffalo (ublib.buffalo.edu/libraries/units/music)
Tufts University (www.library.tufts.edu/tisch/music_library.htm)
University of Arizona (www.library.arizona.edu/branches/libratory/)
University of California, Berkeley (library.berkeley.edu/MUSI/)
University of California, Los Angeles (www.library.ucla.edu/libraries/music/)
University of Chicago (www.lib.uchicago.edu/e/su/music/)
University of Colorado, Boulder (ucblibraries.colorado.edu/music/index.htm)
University of Hartford (http://www.hartford.edu/hartt/)
University of Illinois at Urbana-Champaign (www.library.uiuc.edu/mux)
University of Iowa (www.lib.uiowa.edu/music/)
University of Kansas (http://www.ku.edu/~sfa/mad/)
University of Louisville (http://www.louisville.edu/library/music/)
University of Maryland (www.lib.umd.edu/PAL/music.html)
University of Minnesota (music.lib.umn.edu/)
University of Missouri, Kansas City (www.umkc.edu/lib/musiclib/)
University of North Carolina, Chapel Hill (www.lib.unc.edu/music/)
University of North Texas (www.library.unt.edu/music/default.htm)
University of Oregon (libweb.uoregon.edu/music/)
University of Pennsylvania (http://www.library.upenn.edu/music/)
University of South Carolina (www.sc.edu/library/music/music.html)
University of Tennessee (www.lib.utk.edu/music/)
University of Virginia (www.lib.virginia.edu/MusicLib/index.html)
Washington University (library.wustl.edu/units/music/)
William Ransom Hogan Archive of New Orleans Jazz (Tulane University) (www.tulane.edu./~lmiller/JazzHome.html)

Below is a select list of publishers with a link to their web pages. For a more complete listing, see the online directory of the Music Publishers Association, located at http://www.mpa.org/directories/music_publishers/.

A-R Editions (www.areditions.com)
Mel Bay Publications, Inc. (www.melbay.com)
Boosey & Hawkes, Inc. (www.boosey.com/)
Cantate Music Press (www.cantatemusicpress.com/)
Classical Vocal Reprints (www.classicalvocalrep.com)
ECS Publishing (www.ecspublishing.com)
Ensemble Publications (members.aol.com/EnsPub/)
Carl Fischer (www.carlfischer.com)
Theodore Front Musical Literature (www.tfront.com)
G. Henle USA, Inc. (www.henleusa.com)
Hildegard Publishing Company (www.hildegard.com)
Hinshaw Music, Inc. (www.hinshawmusic.com)
Edwin F. Kalmus & Company, Inc. (kalmus-music.com)
Kendor Music, Inc. (www.kendormusic.com/)
Robert King Music Sales, Inc. (www.rkingmusic.com)
Hal Leonard Corporation (www.halleonard.com)
MMB Music, Inc. (www.mmbmusic.com)
Music Publishers Association (host.mpa.org/)
Oxford University Press (www.oup.co.uk/)
Peermusic Classical (www.peermusicclassical.com/)
Pendragon Press (www.pendragonpress.com/)
Pepper Music Network (www.jwpepper.com/)
C.F. Peters Corp. (www.edition-peters.com)
Theodore Presser Company (www.presser.com/)
G. Schirmer, Inc. (www.schirmer.com/)
Shawnee Press, Inc. (www.shawneepress.com)
Southern Music Company (www.southernmusic.com)
Warner/Chappell Music, Inc. (warnerchappell.com)
Warner Bros. Publications (www.warnerbrospublications.com)

The Rough Guide to Music contains discographies for both Classical and Jazz musicians, supplemented with biographies of jazz performers. It is a good starting point to see a listing of recordings of certain performers. Just a few other websites for recording labels and distributors are given below.

A&M Records (www.amrecords.com/main.asp)
Allegro (www.allegro-music.com)
BIS Records (www.bis.se/)
Blue Note (www.bluenote.com/)
Claves Records (www.claves.ch)
Columbia Records (www.columbiarecords.com/)
Composers Recordings, Inc (www.composersrecordings.com/CRI.html)
EMI Classics (www.emiclassics.com/index_left.htm)
Harmonia Mundi (www.harmoniamundi.com)
Hyperion Records (www.hyperion-records.co.uk/)
Koch International (www.kochint.com/)
Lyrichord Discs (www.lyrichord.com)
Naxos (www.naxosusa.com/)
New World Records (newworldrecords.org/framework/indexBUY.html)
Sony Music (www.sonymusic.com)
Verve (www.verveinteractive.com/)

National Alliance for Musical Theatre (NAMT) (www.namt.net/)

New York Public Library for the Performing Arts
40 Lincoln Center Plaza
New York, NY 10023-7498

Stephen Sondheim Stage (www.sondheim.com/)
Theatricopia : An Abundance Of Links and More for Musical Theatre (www.saintmarys.edu/~jhobgood/Jill/theatre.html)

National Opera Association (www.noa.org/)
Opera America (operaamerica.org/)
Operabase (operabase.com/en/)
OperaGlass (opera.stanford.edu/main.html)
Opera Web (www.operaweb.com/)

Arizona Opera (www.azopera.com/)
Atlanta Opera (www.atlantaopera.org/)
Baltimore Opera (www.baltimoreopera.com/)
Bayreuth Festival (www.festspiele.de/)
Boston Lyric Opera (www.blo.org/)
Cincinnati Opera (www.cincinnatiopera.org/index.jsp)
Covent Garden (www.royalopera.org/)
Dallas Opera (www.dallasopera.org/)
Houston Grand Opera (www.houstongrandopera.org/)
Los Angeles Opera (www.losangelesopera.com/home/index.asp)
Lyric Opera of Chicago (http://www.lyricopera.org/home.asp)
Metropolitan Opera (www.metopera.org/home.html)
New York City Opera (www.nycopera.com/)
New York Grand Opera Company (www.newyorkgrandopera.org/)
Opera Company of Philadelphia (www.operaphilly.com/)
Opera Music Theater International (www.omti.org/)
Opera National de Lyon (http://www.opera-lyon.com/)
Opera National de Paris (www.opera-de-paris.fr/)
Salzburg Festival (www.salzburgfestival.at/home_e.php?lang=2)
San Francisco Opera Company (www.sfopera.com/)
The Santa Fe Opera (www.santafeopera.org/)
Seattle Opera (www.seattleopera.org/)
Teatro alla Scala (http://www.teatroallascala.org/public/LaScala/EN/index.htmll)
Utah Festival Opera Company (www.ufoc.org/)
Wolftrap (www.wolf-trap.org/)

Atlanta Symphony Orchestra (www.atlantasymphony.org/)
American Symphony Orchestra League (http://www.symphony.org/)
Baltimore Symphony Orchestra (www.baltimoresymphony.org/)
Berlin Philharmonic Orchestra (http://www.berliner-philharmoniker.de/)
BBC Symphony Orchestra (www.bbc.co.uk/orchestras/so/)
Boston Symphony Orchestra (www.bso.org/)
Budapest Festival Orchestra (www.bfz.hu/)
CBC Radio Orchestra (radio.cbc.ca/orchestra/about_comments.html)
Chicago Symphony Orchestra (www.cso.org/)
The Cleveland Orchestra (www.clevelandorch.com/)
Colorado Springs Philharmonic (csphilharmonic.org/index.htm)
Colorado Symphony Orchestra (www.coloradosymphony.org/)
Dallas Symphony Orchestra (www.dallassymphony.com/)
Detroit Symphony Orchestra (www.detroitsymphony.com/)
Los Angeles Philharmonic (www.laphil.org/)
New York Philharmonic (www.nyphilharmon.org/fs_main.htm)
Pro Arte Chamber Orchestra of Boston (www.proarte.org/)
San Francisco Symphony (www.sfsymphony.org/)
Seattle Symphony Orchestra (www.seattlesymphony.org/)
Vienna Mozart Orchestra (mozart.co.at/concerts/orches_e.htm)

American Bandmasters Association (www.americanbandmasters.org/)
American Composers Alliance (www.composers.com/)
American Music Center (www.amc.net/index.html)
American Society Of Composers, Authors, and Publishers (ASCAP) (www.ascap.com/)
American String Teachers Association (www.astaweb.com/)
American Symphony Orchestra League (http://www.symphony.org/)
Association of Concert Bands (www.acbands.org/)
Audio Engineering Society (www.aes.org)
Bands of America (http://www.bands.org/)
College Band Directors National Association (www.cbdna.org/)
College Music Society (www.music.org/)
International Association for Jazz Education (www.iaje.org/)
International Double Reed Society (idrs.colorado.edu/)
IRCAM: Institut de Recherche et Coordination Acoustique/Musique (www.ircam.fr/)
Lesbian and Gay Bands of America (http://www.gaybands.org/)
Music Educators National Conference (www.menc.org/)
Music Library Association (www.musiclibraryassoc.org/)
NARA (National Academy of Recording Arts and Sciences) (www.grammy.com)
National Band Association (www.nationalbandassociation.org/)
National Opera Association (www.noa.org/)
North American Brass Band Association (www.nabbamembers.info/)
Society for American Music (American-Music.org/)
Society for Seventeenth-Century Music (www.arts.uci.edu/sscm/)