Bluegrass
BanjerDan, Big Hillbilly Bluegrass, Capitol Area Bluegrass and Old-Time Music Associat, DC Bluegrass Union (DCBU), Dill Pickers, Orange Line Special, Patuxent Partners, Shaw Brothers and Pete Milano, Star, Orrin, WAMU: The Bluegrass Bulletin Board
Blues
ACME Blues Company, Archie Edwards Blues Heritage Foundation, Bad Influence Band, Black Cat Band, Bogart, Deanna, Charlie Sayles and the Union Mission Band, Chung, Henry, Curbfeelers, DangerTones, Davis, Daryl
Celtic
40 Thieves, Al Petteway and Amy White, Ashbrook, Karen, Cathcart, Cynthia, Celtic Music in DC, City of Washington Pipe Band, Doyle, Danny, Edsall Road, Ensemble Galilei, Fitzgerald, Mary
Choral
Chamber Choirs, Children's and Youth Choirs, Gospel Choirs, Bread and Roses Feminist Singers, Canticum Novum Schola of Greater Washington, Capitol Hill Chorale, Cathedral Choral Society, Choral Arts Society of Washington, Congressional Chorus, Fairfax Choral Society, Friday Morning Music Club Chorale, Gay Men's Chorus of Washington, Georgetown Chorale
Classical
Chamber Ensembles, Concerts and Events, Performers, Beethoven Society of America (BSOA), Early Music DC (EMDC), Flute Society of Washington, Gamelan Mitra Kusuma, Kindler Cello Society of Washington, Korean Concert Society, NSOvation: Young Patrons of the NSO, SingerSource, Urban Philharmonic Society, Vocal Arts Society of Washington
Country
Bill Kirchen and Too Much Fun, Blue Moon Cowgirls, Catfish Honeymoon, Dagmar and the Seductones, Grandsons, Heavy Country Band, Honky Tonk Confidential, J. P. McDermott and Western Bop, Last Train Home, Little Pink
Folk
Bands and Artists, American Folk Choir Resource Center (AFCRC), Focus, Folk in the Attic, Folklore Society of Greater Washington, Institute of Musical Traditions, World Folk Music Association (WFMA)
Go-Go
1-LUV, Big Mike's Go~Go Joint, Brown, Chuck, Go-Go Live, L!SSEN, Natural Causes Band, On The Road Productions, Rare Essence, Take Me Out To The Go-Go (TMOTTGoGo), UnCalled4 Band
Jazz
Bands and Artists, Big Band and Swing, Concerts and Events, DCjazz.com, Duke Ellington Society, International Association for Jazz Education (IAJE, Northern Virginia Ragtime Society, Potomac River Jazz Club, Thelonious Monk Institute of Jazz, Washington Jazz Arts Institute (WJAI)
Jewish
Alexandria Kleztet, Calliope, Jinny Marsh's Hot Kugel Klezmer Band, Klezcentricity, Klezmos, Kol Haruach Orchestra, Lox and Vodka, Makela, Mark Novak Band, Shalshelet
Military Bands and Music
United States Air Force Band, United States Army Band, United States Marine Band, United States Navy Band
Opera
American Center for Puccini Studies, Aria Club of Greater Washington, Bel Cantanti, Columbia Union College Performance Workshop, Forgotten Opera Company, OPERA America, Opera Bel Canto, Opera Camerata of Washington, Opera Guild of Northern Virginia, Opera Lafayette
Reggae
D.K.G.B., DC Annual Reggae Music Awards (DC ARMA), DCReggae.com, JohnStone, Oasis, Soldiers of Jah Army, Stattus, Strykers' Posse, Tru Believers
Rock
Adam West, ADHD, Angry Taints, Apes, Army of Me, Barakus, Blame It on Jane, Capitol City Dusters, Cartel, Chrome