Composer weblinks: O
| Composer | C/Name/Dates | Weblink | Comments |
|---|---|---|---|
| Obrecht, | Jacob (1450-1505) | http://www.medieval.org | Medieval.com (Todd McComb) |
| O'Carolan | Turlough | http://www.contemplator.com | Lesley Nelson's Folk Music Site |
| Ockeghem | Johannes (1410-1497) | http://www.medieval.org | Medieval.org – PF Roberge |
| O'Connor | Mark | http://musicmoz.org | MusicMoz |
| Oehring, | Helmut | http://www.boosey.com | Publisher’s site (Boosey) |
| Offenbach | Jacques (1819-1880) |
http://www.jacques-offenbach.de
http://www.classical.net |
Marcus Ebeling; Classical.net |
| Ohana | Maurice (1914-) | http://www.imdb.com http://www.mauriceohana.com | Filmography; Les Amis de Maurice Ohana |
| Ojima | Yoshio | http://www.st.rim.or.jp | Composer’s site |
| Okayasu | Kosaburo | http://www.komuso.com | International Shakuhachi Society |
| O'Leary | Jane | http://www.cmc.ie | CMC Ireland |
| Oliver | John | http://www.musiccentre.ca | Canadian music Centre |
| Olivero | Betty | http://www.olivero.co.il | Composer’s site |
| Oliveros | Pauline | http://www.newalbion.com http://www.deeplistening.org | New Albion records site; Composer’s band’s site |
| Ono | Seigen | http://www.discogs.com | Discogs |
| Ono | Yoko | http://www.starpulse.com | Starpulse |
| Onslow | George (1784-1853) | http://george.onslow.free.fr | |
| Ornstein | Leo (1893-2002) | http://www.otherminds.org | Composer’s site |
| O'Rourke | Jim | http://tisue.net | |
| Orrego-Salas | Juan (1919-) | http://www.music.indiana.edu | Latin American Music Centrre site |
| Ortiz | Alfredo | http://www.alfredo-rolando-ortiz.com | Composer’s site |
| Ostertag | Bob | http://en.wikipedia.org | Wikipedia |
| O'Suilleabhain | Micheal | http://www.ul.ie | Irish World academy of music and dance |