Releases
 | Original arias for soprano, trumpet and organ (1991) barok Jan Van Landeghem, Alain Roelant, Marie-Noëlle De Callatay, Pater Damian Stachowicz, Alessandro Melani, Alessandro Scarlatti, Henry Purcell, Aldrovandini |
 | Original works for Brassquintet (2015) 21ste eeuw / hedendaags, 20ste eeuw Eburon Quintet, Sir Malcolm Arnold, Simon van Hoecke, Derek Bourgeois, Guillaume Connesson, Victor Ewald |
|---|---|---|---|
| Originele hits (2002) Folk De Nieuwe Snaar |
 | Origins (2018) 20ste eeuw Toon Fret, Charles Koechlin, Veronika Iltchenko, Ervín Schulhoff, Arno Babadjanian, Fikret Amirov, Béla Bartók, Paul Arma |
 | Orik (2008) Jazz Marc Demuth Quartet, Sofia Ribeiro |
 | Orion (2004) Rock / Alternative Starfighter |
 | Orlande de Lassus: Renaissance Masterpieces oude muziek The Choir of New College Oxford, Orlandus Lassus, Edward Higginbottom |
| Orlando Di Lasso - Deftige Lieder und Chansons (1992) oude muziek Orlandus Lassus |
 | Orlando Di Lasso - Patrocinium Musices 1573 - 1574 (1988) oude muziek Erik Van Nevel, Orlandus Lassus, Katelijne Van Laethem, Jan Caals, Marius Van Altena, Josep Cabré, Currende, Concerto Palatino |
 | Orlando Di Lasso - Pophetiae Sibyllarum - Moresken (1988) oude muziek Münchener Vokalsolisten, Münchener Flötenconsort, Orlandus Lassus, Hans Ludwig Hirsch |
| Orlando trip 2 Orlando |
| Orlando trip 2 (CD 2) Orlando |
 | Orlando: amore, gelosia, follia. (2020) barok The New Baroque Times |
 | Orpheus' Noble Strings (2016) barok Sofie Vanden Eynde, John Dowland, Thomas Hobbs, Francis Pilkington, Romina Lischka, William Corkine, John Danyel, Anthony Holborne, Thomas Campion, Alfonso Ferrabosco (i) |
| Orpheus-prijs - New Chamber Music (1995) Klassiek Rubio Strijkkwartet |
 | Ortega Sergio - Marta Ugarte se queda (2004) 20ste eeuw Teun Michiels, Sergio Ortega, Brigitte Foccroulle, Jean-Pierre Peuvion |
 | Os Meus Shorts II (2014) free & experimental jazz, jazzrock Os meus shorts |
 | Os meus shorts (2009) Jazz Os meus shorts |
 | Oscillating Headcom (2003) Pop / Rock Moonlake |
 | Osesso (2019) oude muziek Ratas del viejo Mundo |