Sites:
| O'Mara, Stephen: American tenor. Calendar, photographs, and upcoming events. | | O'Neill, Simon: New Zealand tenor. Resume, biography, photographs, MP3 files, and calendar. | | Oberlin, Russell: American countertenor. Profile, discography. | | Oberoi, Krishan: Young New England tenor; 1996 honors graduate of New England Conservatory of Music; active with regional opera companies; singer and composer. | | Obraztsova, Elena: Russian mezzo soprano. Biography, discography, schedule, sound clips, bibliography. | | Ogden, Robert: English counter-tenor. Biography, photos, audio clips and reviews. | | Olson, Lisa-Marie: News, pictures, upcoming and past performance information for this soprano. | | Olson, William: Young American opera baritone's biography, resume, photographs, sound clips, future engagements, and contact information. |
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Classical
