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Autoren- und Interpretenliste
- O'Brien, Brandon J.
- O'Bros
- Oakley, Paul
- Oberheinrich, Conny
- Oberthür, Rainer
- Oblander, Sigi
- Oblau, Hannah
- Obot, Maïmouna
- Obrist, Hanspeter
- Ochs, Ille
- Ochs, Ilse-Ruth
- Ocker, Markus
- October Light
- Odrich, Andreas
- Oelke, Daniela
- Oertel, Gerhard
- Oertli, Danny
- Oesterle, Daniel
- Oetjen, Henri
- Oettel, Rainer
- Oettinghaus, Bernd
- Offdilln, Männerchor
- Offerman, Nick
- Offermann, Kerstin
- Offermann, Sigrid
- Ohlemacher, Renate
- Ohler, Annemarie
- Ohler, Norbert
- Ohlig, Johannes
- Ohrenschall, Andreas
- Ohrndorf, Nadine
- Oke, Janette
- Oldenburg, Eckhard
- Oldham, J.H.
- Olding, Christiann
- Olding, Christian
- Oleak, Rainer
- Olesen, Cecilie
- Oleynikov, Igor
- Olier, Baldi
- Oligschlaeger, Annedore
- Olina, Silvia
- Olivier, Myko
- Olivier, Ronald
- Olpen, Febe
- Olschewski, L W.
- Olson, Roger E.
- Olson, J. Gunnar
- Olson, Marc
- Olyott, Stuart
- Omartian, Stormie
- OMF
- Onehundredhours
- Opitz, Karl-Dietrich
- Opp, Annette
- Opperer, Christian
- Oram, Peter
- Oranje, Corien
- Ordway, Holly
- Oregon Bach Festival Chamber Orchestra
- Oregon Bach Festival Choir
- Oregon Bach Festival Orchestra
- Oren, Ram
- Orlandi, Lorenzo
- Orleans, Joan
- Ortberg, John
- Ortberg, Nancy
- Orth, Jutta
- Orth, Harald
- Orth, Ute
- Orth, Christopher
- Ortkemper, Franz-Josef
- Ortlund, Dane
- Ortlund, Gavin
- Ortmüller, Birgit
- Osberghaus, Johannes
- Osbild, Prof. Dr. Reiner
- Osborne, Larry
- Oschwald, Hanspeter
- Oser, Liliane
- Oshman, Jen
- Oshman, Zoe
- Oshmann, Jen
- Oslo Gospel Choir
- Osmaston-Zakes, Monika
- Osoko, Solomon
- Ospelkaus, Susanne
- Ossowski, Heidi
- Osteen, Joel
- Osteen, John
- Osteen, Victoria
- Ostermann, Markus
- Osterwald, Lars
- Oswald, Michael
- Othmer-Haake, Kerstin
- Ott, Bernhard
- Ott, Christa
- Ott, Christina
- Otten, Dieter
- Otten, Peter
- Ottensmann, Elke
- Ottkowski, Petra
- Otto, Werner
- Otto, Alexander
- Otto, Wiebke
- Otto, Andrea
- Otto, Henrik
- Out Of Eden
- Outbreakband
- Outinen, Kati
- Overath, Wolfgang
- Overholtzer, Ruth P.
- Owen, John
- Owen, Joe
- Owen, Abby
- Owens, Stephen
- Oxen, Kathrin
