American composer sites (a quick cross-section): John Adams, John Luther Adams, Robert Ashley, Eve Beglarian, Derek Bermel, William Bolcom, Martin Bresnick, Kyle Gann, Philip Glass, Osvaldo Golijov, Jeff Harrington, Stephen Hartke, Phil Kline, Joan La Barbara, Tania León, Steve Mackey, Ingram Marshall, Meredith Monk, Pauline Oliveros, Steve Reich, Terry Riley, Ned Rorem, Christopher Rouse, Steven Stucky, Morton Subotnick, Christopher Theofanidis, Augusta Read Thomas, Melinda Wagner, Charles Wuorinen, La Monte Young, Evan Ziporyn
Some notable international composers (an even quicker cross-section): Thomas Adès, Franghiz Ali-Zadeh, Louis Andriessen, Harrison Birtwistle, Pierre Boulez, Unsuk Chin, Sofia Gubaidulina, Guo Wenjing, Georg Friedrich Haas, Jonathan Harvey, Oliver Knussen, György Kurtág, Helmut Lachenmann, Magnus Lindberg, Tristan Murail, Per Nørgård, Arvo Pärt, Wolfgang Rihm, Kaija Saariaho, Salvatore Sciarrino
A few notable younger composers: Timothy Andres, Lera Auerbach, Mason Bates, Lisa Bielawa, Betsey Biggs, Anna Clyne, Corey Dargel, Jonathan Dawe, Alexandra Gardner, Stephen Gorbos, Judd Greenstein, David T. Little, Jimmy López, Matt McBane, Paula Matthusen, Missy Mazzoli, Nico Muhly, Andrew Norman, Sean Shepherd, Gregory Spears, Andrew Staniland, Dmitri Tymoczko, Dan Visconti
Collectives: Bang on a Can, Common Sense, Minimum Security, Pulse Optional
NYC new music calendar: SoundArt
NYC ensembles: Absolute Ensemble, Alarm Will Sound, American Composers Orchestra, American Contemporary Music Ensemble, American Modern Ensemble, Amp Music, Anti-Social Music, Antares, Argento Music, AXIOM, Bang on a Can, Build, Capital M, Columbia Composers, Composers Concordance, Continuum, counter)induction, Cygnus, Ensemble Sospeso, Da Capo Chamber Players, Either/Or, Electric Kompany, Ensemble 21, Ethel, Fireworks, Flux Quartet, Forecast Music, Friends and Enemies of New Music, Glissando Bin Laden, ICE, Interpretations, Jack Quartet, The Knights, Ljova & The Vjola Contraband, Locrian Chamber Players, Lost Dog New Music Ensemble, New York Miniaturist Ensemble, New York New Music Ensemble, Newspeak, North/South Consonance, NOW Ensemble, Object Collection, Queens College New Music Group, Red Light New Music, S.E.M. Ensemble, Sequitur, Signal, So Percussion, TACTUS, Thing NY, TILT Brass, Victrola, Washington Square Contemporary Music Society, Wet Ink, Yarn/Wire
Non-NYC ensembles: Montpelier VT VCME Boston Boston Modern Orchestra Project, Boston Musica Viva, Callithumpian Consort, Collage New Music, Dionsaur Annex, Alea III, Composers in Red Sneakers Rochester Ossia, Musica Nova Syracuse Society for New Music Kingston Deep Listening Princeton Composers' Ensemble Philadelphia Orchestra 2001, Relâche, Bowerbird, Network for New Music Pittsburgh Pittsburgh New Music Ensemble Baltimore Peabody Camerata, Evolution, Mobtown Modern, Ligetisplit DC Great Noise Ensemble, Contemporary Music Forum Atlanta Bent Frequency, Thamyris Cleveland Cleveland Contemporary Players Bloomington Aguavá, IU New Music Ensemble Chicago Eighth Blackbird, ICE, Contempo, CUBE, Dal Niente, noamnesia, MAVerick Ensemble, Accessible Contemporary Music Allendale MI GVSU New Music Ensemble Kalamazoo Opus 21 Lansing Musique 21 Minneapolis Zeitgeist Milwaukee Present Music Iowa City Center for New Music Kansas City newEar Nashville Alias Music Memphis Luna Nova Houston Musiqa Dallas Voices of Change Austin UT New Music Omaha/NYC ANALOG Arts Ensemble Boulder Pendulum Seattle Seattle Composers' Salon, Seattle Chamber Players Portland Music Population Orchestra, Third Angle San Francisco San Francisco Contemporary Music Players, Kronos, Earplay, OOGOG, Paul Dresher Ensemble, sfSound, Edmund Welles, Adorno Ensemble, Left Coast Chamber Ensemble, Formerly Known As Classical, San Francisco Composers Chamber Orchestra Santa Cruz New Music Works Los Angeles E.A.R. Unit, Monday Evening Concerts, Ensemble Green San Diego NOISE Davis Empyrean Ensemble Phoenix Crossing 32nd Street Santa Fe Santa Fe New Music
Composer lists: Thomas Moore, NetNewMusic, Synchronous (Atlanta composers)
New-music sites (with MP3s): Ubu Web, Art of the States, Other Minds (with separate RadiOM radio site)
