Katalog wykonawców
- Oscar Leon
- Oscar Les Vacances
- Oscar M. Leanizbarrutia
- Oscar Martin Leanizbarrutia
- Oscar Moore
- Oscar Mulero
- Oscar Neira
- Oscar Peterson
- Oscar Peterson -Trio-
- Oscar Peterson Trio
- Oscar Peterson Trio & Milt Jackson
- Oscar Peterson Trio & Milt Jackson
- Oscar Pettiford
- Oscar Pettiford Quartet
- Oscar Rangel's Avantgarde
- Oscar Roberto Casares
- Oscar Scheller
- Oscar Shumsky
- Oscar Smit
- Oscar Strasnoy
- Oscar Sulley
- Oscar Thiffault
- Oscar Verhaar
- Oscar Washington
- Oscar Weathers
- Oscar Welsh
- Oscar Williams
- Oscar's Motet Choir
- Oscar/Dizzy Gil Peterson
- Oscar/Ella Fit Peterson
- Oscar/Nelson Riddle Peterson
- Oscar/Ray Brown & Cannonball Adderley Peterson
- Oscar/Riddle Peterson
- Oscarito
- Oscarlima
- Oscean
- Oscillation
- Oscillator Bug
- Oscillatorial Binnage
- Oscillators
- Oscillotron
- Osculum Infame
- Osdalgia
- Osdorp Posse
- Ose
- Osees
- Oshari
- Osheyack
- Oshh
- Oshima Haruna
- Oshiri Penpenzu
- Oshiripenpenz
- Osho
- Osi
- Osi and the Jupiter
- Osiah
- Osiah
- Osian Ellis
- Osibisa
- Osie Johnson
- Osipov Russian Folk Orche
- Osiris
- Osiris Club
- Osiris Project
- Osiris Trio
- Osiris Trio/Gerrie De Vries
- Osirys
- Osk
- Oska
- Oskamp
- Oskar
- Oskar & Beamic Hahn
- Oskar Aichinger
- Oskar Danon
- Oskar Fried
- Oskar Gottlieb Blarr
- Oskar Offermann
- Oskar Szafraniec
- Oskar Werner
- Oskar/Jiri Slavik/Vit Kristan Torok
- Oski
- Oskord
- Oskuldsson/Michale
- Oslo Kammerakademie
- Oslo 14 Vokalensemble
- Oslo Brigade Orchestra
- Oslo Cathedral Choir
- Oslo Circles
- Oslo Domkirkes Guttekor
- Oslo Domkor
- Oslo Ess
- Oslo Filharmoniske Kor
- Oslo Flow
- Oslo Gospel Choir
- Oslo Kammarkor
- Oslo Kammerakademi
- Oslo Kammerakademie
- Oslo Kammerkor
- Oslo Philharmonic Chamber Group
- Oslo Philharmonic Orchest