Diaz Music Institute Inc.: Nonprofit Hispanic music organization. Caliente is the institute's youth performance ensemble; it promotes Hispanic music such as Latin jazz, salsa, and merengue.
Houston Chamber Choir: A professional vocal ensemble devoted to presenting outstanding works from a wide range of periods and cultures. Its members are selected from the finest choral musicians in the region.
Houston Choral Site: Choral societies and sites for choral enthusiasts.
Houston Civic Symphony: Features a concert schedule, listing of people and players, a cumulative repertoire list, and a streaming broadcast of past performances.
Houston Early Music: Chartered non-profit organization whose purpose is to present historically-informed performances of early music from the European traditions and other world cultures in concerts featuring internationally renowned vocal, instrumental, and chamber musicians.
Houston Flute Club: Serves the needs and interests of flutists in Houston and surrounding areas.
Houston Friends of Music - Shepherd School of Music: Series of chamber music ensemble concerts held at Rice University's Shepherd School of Music.
Houston Graffiti: Hip hop news and events with a forum and chat.
Houston Grand Opera: Calendar and ticket information. Includes the history of the company.
Houston Masterworks Chorus: Independent chorus performing classical and contemporary pieces.
Houston Music Lovers' Group: Informal group for classical music and opera lovers in the Houston metro area.
Houston Rockz: Directory of local bands includes dates, and message board.
Houston String Quartet and Elizabeth Trio: Biographies, contact and booking information, and repertoire.
Houston Symphony: News and ticket and performance information.
Houston Symphony Chorus: News and ticket and performance information.
Houston Youth Symphony: Includes upcoming concerts, members, audition information, and contact details.
HoustonShowBiz.com: Small directory of Karaoke bars and D.J.'s.
Jazz Houston: Features forums, news, and listings as well as descriptions of venues.
Opera in the Heights: Non-profit regional opera company serving the Houston Heights and Greater Houston area with opera and concert performances. Offers ticket information and seating chart, season overview, articles, and photo gallery.
Renaissance Chamber Strings: Houston area string ensemble for weddings, receptions, and special ceremonies. Provides examples from repertoire, professional experience, and service area.
The Bach Society: Choral and instrumental Bach music. Most concerts are free.