O'Boyle, Sean
Australian composer.

Obrovska, Jana
(1930- ), Prague, Czech Republic. Biography and selected works, from the Czech Music Information Project.

Ocker, David
(1951- ) Picture, biography, about the music, list of works, and about 'Pynchon,' from Leissure Music Planet.

O'Connell, Kevin
(1958- ), Derry, Ireland. Picture, biography, and selected works, from the Contemporary Music Centre, Ireland.

O'Connor, Tom
Picture, biography, and works.

Odstrcil, Karel
(1930- ), Valaske Mezirici, Czech Republic. Biography and selected works from the Czech Music Information Project.

Oehring, Helmut
(1961- ), Berlin, Germany. Biography from Timescraper Music.

O'Farrell, Anne Marie
(1966- ), Dublin, Ireland. Picture, biography, and selected works, from the Contemporary Music Centre, Ireland.

Oja, Esko
(1973- ), Tallinn, Estonia. Picture, biography, and works, from edition49.

O'Leary, Jane
(1946- ), Hartford, Connecticut. Picture, biography, and selected works, from the Contemporary Music Centre, Ireland.

O'Leary, Martin
(1963- ), Dublin, Ireland. Picture, biography, and selected works, from the Contemporary Music Centre, Ireland.

Olive, Vivienne
(1950- ), London, England. Picture, biography, and list of works and recordings, from the Australian Music Centre.

Oliver, Harold
(1942- ) Includes biographical sketch, a catalog of his compositions, scores and sound files, and a brief essay.

Olsen, Tim
(1961- ), St. Paul, Minnesota. Biography, works, and events, from Vischer Ferry Music Publishing Co.

Oliver, John
(1959- ), Vancouver, British Columbia. Picture, biography, selected works, and CDs, from the Canadian Music Centre.

Olivero, Betty
(1954- ), Tel Aviv, Israel. Picture, biography, selected works, and CDs, from the Israel Music Institute.

Oosterbaan, André
(1947- ), Amsterdam, Holland. Biography and list of works and recordings, from the Australian Music Centre.

O'Neill, Nicholas
(1970- ), Cheltenham, England. Picture, biography, selected works, and sound file, from the British Composers World Wide Web Project.

Ottzen, Susan
Composer, classical and jazz harpist, and teacher. Picture, biography, and sound files.

Orgad, Ben-Zion
(1926- ), Gelsenkirchen, Germany. Picture and biography, from the Israel Music Institute.

Ouellette, Antoine
(1960- ), Montréal, Québec. Picture, biography, list of works, and CDs, from the Canadian Music Centre.

Orenstein, Joyce E.
List of works from New York Women Composers.

Olofsson, Kent
(1962- ), Karlskrona, Sweden. Biography from the Swedish Music Information Center.

Ogdon, Will
Picture, biography, and works, from the American Music Center.

Ogle, Brian
Picture, biography, and list of works.

Ortiz Alvarado, William
Picture, biography, list of works, recordings, and reviews.

Ostertag, Bob
(1957- ), Albuquerque, New Mexico. Biography, CDs, photographs, and reviews.

Owens, Terry Winter
Picture, biography, commissions and awards, performances, and list of works, from the American Music Center.

Ornstein, Leo
(1892-2002) Picture and biography, from Other Minds.

Orlovich, Matthew
(1970- ), Sydney, Australia. Picture, biography, compositions, recordings, performances, and press.

Obst, Michael
(1955- ), Frankfort, Germany. Biography and discussion of 'Kristallwelt I,' from the Gaudeamus Foundation.

Oesterle, Michael
(1968- ), Ulm, Germany. Picture, biography, and works.

Ortiz-Torres, Gabriela
(1964- ), Mexico City, Mexico. Biography and discussion of 'Huitzil' (1989), from the Gaudeamus Foundation.

Ott, Daniel
(1960- ), Grub, Switzerland. Biography and discussion of 'Molto Sempicimente' (1988/89), from the Gaudeamus Foundation.

Ovsepyan, Petros
(1966- ), Azerbaijan. Biography and discussion of 'Now the shadow of the pillar...,' from the Gaudeamus Foundation.

Orgee, Andy
(1958- ) Picture, biography, compositions, performances, and audio files.

Orton, Richard
(1940- ), Derby, England. Picture, biography, works, commissions, recordings, and news, from Unique Music.

Osborne, Nigel
(1948- ) Picture and biography.

Oppedisano, Marco
(1971- ) Picture, biography, selected works with sound files and information, from Vox Novus.

Olsson, Kurt
Hobbyist composer in the styles of contemporary music. Music, news, and biography.

Olivero, Betty
Catalog, discography, events, reviews, notes about compositions, and music samples.

Ocana, Anthony
(1980- ), Santiago, Dominican Republic. Pictures, biography, news, and sound files.

Orr, Robin
(1909- ), Brechin, England. Picture, biography, list of works, and performances.

Osborne, Nigel
(1948- ) Picture, biography, and catalog of works from the University of York Music Press.

O'Quinn, David
Compositions with scores and sound using Sibelius Music, and links.