Oakeley, Sir Herbert (Stanley)
Oakland.
O Antiphons [Great Antiphons].
Oasis.
Obadiah the Proselyte
Obbligato (i)
Obbligato (ii).
Obbligato (iii).
Obbligo [obligo]
Oberek [obertas].
Oberheim, Thomas Elroy
Oberklang
Oberlender [Oberländer].
Oberlin, Russell (Keys)
Oberlin College Conservatory of Music.
Obermayer, Joseph
Oberquintteiler
Obersattel
Obertas.
Oberthür, Charles [Karl]
Oberwerk
Obey, Ebenezer [Chief Commander Ebenezer]
Obiols, Mariano
Obizzi, Domenico
Obligate Lage
Obligato.
Obligatory register
Obligo.
Oblique motion.
Oboe
Oboe basso
Oboe da caccia
Oboe d’amore [oboe luongo]
Oboe grande
Oboezug
Oborin, Lev (Nikolayevich)
Obouhow, Nicolas [Obukhov, Nikolay]
Oboussier, Robert
Obra
Obradović, Aleksandar
Obraztsova, Yelena (Vasil'yevna)
Obrecht [Hobrecht], Jacob
O’Brien, Dan.
Obrovská, Jana
Obscoenus, Paulus.
Obst, Michael
Obterre.
Obukhov, Nicolay.
Očadlík, Mirko
Ocarina
O'Carolan, Turlough.
Occhio
Oceania.
Očenáš, Andrej
Ocharte [Ochart], Pedro
Ochetus
Ochman, Wiesław
Ochs, Phil(ip David)
Ochs, Siegfried
Ochsenkun [Ochsenkhun], Sebastian
Ochswald, Henrique.
Ockeghem [Okeghem, Hocquegam, Okegus etc.], Jean de [Johannes, Jehan]
Oclande, Robert.
O'Connell, Kevin
O'Conor, John
Ocquet
Octatonic.
Octave (i)
Octave (ii).
Octave (iii).
Octave courte
Octave dividers.
Octave transfer.
Octavin
Octet
Octobans.
Octobass.
Octuor
Oda
Odăgescu [Odăgescu-Ţuţuianu], Irina
Odak, Krsto
Oddo.
Oddone, Carlo Giuseppe
Ōdē
Ode (ii)
Odell.
Odense.
Odeon.
Odessa.
Odington, Walter [Walter Evesham; frater Walterus de Otyngton monachus de Evesham]
Odissi.
Odo [Oddo].
O'Donnell, Bertram Walton
Odorannus of Sens [Odoramnus Senonensis]
Odoyevsky, Prince Vladimir Fyodorovich
Odstrčil, Karel
O’Dwyer [Dwyer], Robert
Odyssey.
Oede de la Couroierie [Eude de Carigas;
Odo de Corigiaria; Odon de Paris; Odon de Saint-Germain]
Oeglin, Erhard
Oe'Harahap, Irwansyah.
Oehler, Oskar
Oehlschlägel [Oehlschlegel, Oelschlegel], Franz Joseph [Lohelius, Joannes]
Oehman, Carl-Martin
Oehring, Helmut
Oelze, Christiane
Oesch, Hans (Rolf)
Oeser, Fritz
Oesterreicher, Georg
Oestvig, Karl Aagaard
Oettingen.
Oettingen, Arthur (Joachim) von
Oeuvre
Oevering, Rynoldus Popma van.
Ofenbauer, Christian
Off-beat.
Offenbach, Jacques [Jacob]
Offerenda.
Offererius.
Offertory [offertorium, offerenda].
Office, Divine.
Oficleide.
Ofterdingen, Heinrich von.
Ó Gallchobhair, Éamonn [O’Gallagher, Eamonn]
Oganesyan, Edgar Sergeyi.
Oganezashvili, Sasha [Oganyan, Aleksandr]
Ogdon, John (Andrew Howard)
Ogelby, John.
Ogier.
Ogilby [Ogelby, Oglivie], John
Oginaga, Joaquin de.
Ogiński.
Oglio, Domenico dall'.
Oglio, Giovanni Battista dall'.
Oglio, Giuseppe dall'.
Oglivie, John.
Ognivtsev, Aleksandr Pavlovich
Ogolevets, Aleksey Stepanovich
O’Hagan, Betsy.
O'Hampsey, Denis.
Ohana, Maurice
O'Hara, Kane [Kean, Kene]
Ohio Chamber Orchestra.
Ohio State University School of Music.
Öhlberger, Karl
Ohlsson, Garrick (Olof)
Ohm, Georg Simon
Ohms, Elisabeth
Ohren, Jacob.
Oiseau-Lyre, L'.
Oistrakh, David (Fyodorovich)
Oistrakh, Igor' (Davidovich)
Oja, Carol J(ean)
Ojinaga, Joaquin de.
O’Keeffe [O’Keefe], John
O'Keeffe [Ó Caoimh], Pádraig
Okeghem, Johannes.
OKeh.
Okeland [Hockland, Oclande], Robert
Okeover [Oker], John
Oketus
Oktave (i)
Oktave (ii)
Oktavflöte
Oktavkoppelung
Oktavzug
Oktett
Oktōēchos
Okudzhava, Bulat
Ólafsson, Björn
Olagnier [née Joly], Marguerite
Olagué [Olaegui], Bertolomeu de
Olah, Tiberiu
Ölander, Per [Pehr] August
Olatunji, Babatunde [Michael Babatunde]
Olcott, Chauncey [Olcott, Chancellor John]
Olczewska, Maria.
Oldfield, Mike [Michael]
Old Hall Manuscript.
Oldham, Arthur (William)
Oldham, Kevin (William)
Oldis [Oldys], Valentine
Oldman, C(ecil) B(ernard)
Oldovini, Paschaly Caetanus
Old Roman chant.
Old Vic.
Old Way of Singing.
Olearczyk, Edward
O'Leary [née Strong], Jane
Olefsky, Paul
Olenina d’Alheim [d’Al'geym; née Olenina], Mariya Alekseyevna
Oley, Johann Christoph
Oliac y Serra, Juan
Oliphant
Oliphant, Thomas
Oliva
Olivares, Juan Manuel
Oliveira, Fernando Correia de
Oliveira, Jamary
Oliveira, João Pedro (Paiva)
Oliveira, Jocy de
Oliveira, Manoel Dias de
Oliveira, Willy Corrêa de
Oliver [Olyver]
Oliver (Pina), Angel
Oliver, King [Joe]
Oliver, Paul (Hereford)
Oliver, Stephen
Olivero, Betty
Olivero, Magda [Maria Maddalena]
Oliveros, Pauline
Oliver y Astorga, Juan
Olivier.
Olivier, Jo(hannes)
Olivieri [de Massini], Angelo
Olivieri, Giuseppe
Olivieri, Paolo
Olivo [Olivi], Simpliciano [Sempliciano]
Ollone, Max(imilien Paul Marie Félix) d'
Olmeda, Federico
Olmstead [Olmsted], Timothy
Olmütz
Olof, Efraim
Olof, Theo
Olofsen, Arnoldus
Olomouc
Olsen, Ole
Olsen, Poul Rovsing [Rovsing Olsen, Poul]
Olsson, Otto (Emanuel)
Olsvai, Imre
Olszewska [Olczewska], Maria [Berchtenbreitner, Marie]
Olthof [Althof], Statius
Olympus the Mysian
Olyver.
Oman.
Omar, Yusuf
Ombra
O’Mara, Joseph
Omnitonic horn.
ONCE.
Ondeggiando
Ondes martenot
Ondříček.
Ondříček Quartet.
Ondulé
Onegin [Onégin; née Hoffmann], (Elisabeth Elfriede Emilie) Sigrid [Lilly]
O’Neill, Dennis
O'Neill, Francis
O’Neill, Norman (Houstoun)
One-step.
Ongala, Remmy [Ramadhani Ongala Mtoro, Dr Remmy]
Ongarelli, Rosa.
Ono, Yoko
Onori [Onorii], Romualdo.
Onslow, (André) George (Louis)
Ontology.
Ontong Java.
Onzième
Oord [Oort], van.
Oosterzee, Cornélie van
Opava
Open notes.
Open pedal.
Open position [open harmony].
Open score.
Open string.
Open tuning.
Opera
Opera America.
Opéra-ballet
Opéra bouffe
Opéra bouffon
Opera buffa
Opéra comique
Opéra féerie
Opéra National du Rhin.
Opera North.
Opera of the Nobility.
Opera Restor'd.
Opera Română
Opéra Royal de Wallonie.
Opera semiseria
Opera seria
Opera-torneo
Opera voor Vlaanderen.
Operetta
Ophibariton
Ophicleide
Opie, Alan (John)
Opieński, Henryk
Opilionis, Othmar
Opitiis, Benedictus de
Opitz, Martin
Oppens, Ursula
Opus [op.] (i)
Opus (ii).
Or, Josquin d’.
Orafi [Oraffi], Pietro Marcellino
Oram, Daphne Blake
Oratorio.
Orazio.
Orazio della Viola.
Orb.
Orbán, György
Orbino, Il.
Orbison, Roy (Kelton)
Orbón (de Soto), Julián
Orchard, (William) Arundel
Orchestra
Orchestral.
Orchestral chimes.
Orchestra of St John’s, Smith Square.
Orchestra of the Age of Enlightenment.
Orchestra of the Eighteenth Century [Orkest van de Achttiende Eeuw].
Orchestration.
Orchestre de Chambre de la Société Radio-Canada.
Orchestre de la Suisse Romande.
Orchestrelle.
Orchestre Philharmonique des Pays de la Loire.
Orchestre Révolutionnaire et Romantique.
Orchestrion.
Ord, Boris [Bernhard]
Ordinal
Ordinary chants
Ordines romani
Ordo
Ordo cantus missae.
Ordonez [Ordenitz, Ordoneez, Ordonetz, Ordonitz], (Johann) Karl (Rochus) von [Carlo d’]
Ordóñez, Pedro
Ordre
Ore, Cecilie
Orefice [Arefece, Orefici], Antonio
Orefice, Giacomo
Orejón y Aparicio, José de
Orel, Alfred
Orel, Dobroslav
Orellana Castro, Andrés Gilberto
Orellana, I(gnatius) A(ntonio) de
Orellana M., Joaquín
Øren, Jacob.
Oresme, Nicole
Orff, Carl
Orford Quartet.
Orgad, Ben-Zion
Organ
Organ chorale.
Organette.
Organetto (i)
Organetto (ii).
Organetto (iii).
Organetto a manovella
Organ hymn.
Organi, Bartolomeo degli.
Organino (i)
Organino (ii).
Organistrum.
Organized piano [Organ-piano].
Organ mass.
Organ music.
Órgano, canto de.
Organochordium [organochordon].
Organology
Organo pleno [pieno]
Organo tedesco
Organ point.
Organ score.
Organ stop
Organum
Organum hydraulicum
Organ verset.
Orgas, Annibale
Orgelbewegung
Orgelklavier
Orgéni, Aglaja [Görger St Jörgen, Anna Maria von]
Orger, Caroline.
Orgiani, Teofilo
Orgitano.
Orgonasova, Luba
Orgue à manivelle [de Barbarie]
Orgue de chambre [orgue de salon]
Orgue expressif
Orgue hydraulique
Ó Riada, Seán [Reidy, John]
Oridryus [Orideyns, Oridijrus, Oudryns, van Bergijk], Johannes
Orientalism.
Original Dixieland Jazz [Jass] Band [ODJB], the.
Orinaga, Joaquín de.
Oriola, Pietro [Orihuela, Pedro de; Pere]
Oriscus
Orisicchio, Antonio.
Oristagno, Giulio d’
Orkes.
Orkest van de Achttiende Eeuw
Orlandi, Camillo
Orlandi [Orland, Orlando], Ferdinando
Orlandi, Santi
Orlandini, Giuseppe Maria
Orlando Consort.
Orléans.
Orles
Orlo
Orlos
Orlov, Genrikh Aleksandrovich
Orlov, Nikolay (Andreyevich)
Orłowski, Antoni
Ormandy, Eugene [Blau, Jenő]
Ormestad [Ormsen], Caspar.
Ørn [Øren, Ohren], Jacob [Aquilino Dano, Jacomo]
Ornamentation.
Ornaments.
Ornithoparchus [Vogelhofer, Vogelmaier, ?Vogelstätter], Andreas
Ornstein, Leo
Orologio [Horologius], Alessandro [Alexander]
Orologio, Giovanni Dondi dall'
Ó Rónáin, Muiris.
O’Rourke, William Michael.
Orozbakov, Saghimbai
Orozco, Rafael
Orozov, Karamoldo (Toktomambet)
Orpharion.
Orphéon.
Orpheus.
Orpheus (Chamber Orchestra).
Orpheus Quartet.
Orphica.
Orr, Buxton (Daeblitz)
Orr, C(harles) W(ilfred)
Orr, Robin [Robert] (Kemsley)
Orrego-Salas, Juan (Antonio)
Orso [Celano], Francesco
Ortakov, Dragoslav
Ortega, Sergio
Ortega del Villar, Aniceto
Ortells, Antonio Teodoro
Orthel, Léon
Orthochronic notation.
Orthros
Ortigue, Joseph (Louis) d’
Ortiz, Cristina
Ortiz, Diego
Ortiz (Fernández), Fernando
Ortiz, Gabriela
Ortiz (Alvarado), William
Ortiz de Zárate, Domingo
Orto, Marbrianus [Marbriano] de [Dujardin, Marbrianus]
Orvieto, Ugolino of.
Ory, Kid [Edward]
Oryema, Geoffrey
OSA
Osaka.
Ōsaki, Shigemi
Osanz, Miguel Antonino
Osborn, Franz
Osborne, Charles (Thomas)
Osborne, Conrad L(eon)
Osborne, George Alexander
Osborne [Osborn], John
Osborne, Nigel
Osborne, Richard (Ellerker)
Osculati, Giulio [Iulio; Osculatus, Iulius]
Osghian, Petar.
O’Shaughnessy.
Osiander, Lucas
Osijek
Oscar I, King of Sweden.
Oscar II, King of Sweden.
Oslo.
Osman [Uthman], Muhammed
Osnabrück.
Osorio, Jorge (Federico)
Ossia
Ossian [Oisean, Oisín].
Ossman, Vess [Sylvester] L(ouis)
Ossovsky, Aleksandr Vyacheslavovich
Oste da Reggio.
Osten, Eva von der
Osterc, Slavko
Ostermaier [Ostermayer, Ostermeier], Andreas
Österreich, Georg
Österreichischer Bundesverlag.
Osthoff, Helmuth
Osthoff, Wolfgang
Ostiano, Vincenzo
Ostinato
Östman, Arnold
Ostrava
Ostrčil, Otakar
Ostrogórski [Ostrowski], Maciej.
Ostrovsky, Aleksandr Nikolayevich
Ostrowski, Feliks
Ó Súilleabháin, Mícheál
Oswald [Ochswald], Henrique
Oswald, James
Oswald, John
Oswald von Wolkenstein
Otaka, Hisatada
Otaka, Tadaaki
Otaño (y Eguino), Nemesio
Otava, Zdeněk
Otescu, Ion Nonna
Otger.
Othmayr, Caspar [Othmarus, Gasparus]
Otis, Johnny [John Veliotes]
Otker of Regensburg [Ratisbon]
Otloh of St Emmeram
Ots, Charles
Ott [Ottler, Ottel, Otto], Hans [Johannes]
Ott, Lorenz Justinian [Joseph Marzellin]
Ottani, Bernardo
Ottani, Gaetano [Bernardino]
Ottava
Ottava alta, bassa, sopra, sotta.
Ottava battuta
Ottava rima
Ottavino (i)
Ottavino (ii)
Ottavino (iii)
Ottavio, Frate.
Ottawa.
Ottaway, Hugh
Otte, Hans (Günther Franz)
Otteby, John.
Ottel, Hans.
Otteman, Nicolas.
Otten, Kees (Gerrit Cornelis)
Ottensteiner, (Johann) Georg
Otter, Anne Sofie von
Otter, (Franz) Joseph
Otterloo, (Jan) Willem van
Ottetto
Ottler, Hans.
Otto, Georg [Georgius]
Otto, Hans.
Otto [née Alvsleben], Melitta
Otto, Stephan
Otto, Valerius
Ottobeuren.
Ottoboni, Pietro
Ottoman music.
Ottoni
Ottósson, Róbert Abraham
Ouchard.
Oud.
Oudenaerde, Iacobus de.
Oudin, Eugène (Espérance)
Oudot, Claude
Oudrid (y Segura), Cristóbal (Domingo)
Oudryns, Johannes.
Ouïe
Oulibicheff, Aleksandr Dmitryevich.
Oury [née de Belleville], Anna Caroline
Oury, Antonio James
Ouseley, Sir Frederick Arthur Gore
Ousset, Cécile
Ouvert [overt, vert]
Ouverture
Ouvrard [Du Reneau], René
Ovcharenko, Halyna (Ivanovna)
Ovchinikov, Vladimir
Ovchinnikov, Vyacheslav Aleksandrovich
Overblowing.
Over-dotting.
Overend, Marmaduke
Overlapping.
Overspun [overwound, wirewound] string.
Overstrung [cross-strung].
Overt.
Overton, Hall
Overtone.
Overtone-singing [throat-singing, chant biphonique, chant diphonique, höömii].
Overture
Ovezov, Dangatar
Ovid [Publius Ovidius Naso]
Owen [Llwyn-Owen], Morfydd
Oxeia.
Oxeiai diplai.
Oxenford, John
Oxford.
Oxford House Choral Society.
Oxford University Press [OUP].
Oxinaga [Oxinagas, Oginaga, Ojinaga, Orinaga, Martínez de Oxinaga], Joaquín de
Oxonia, J.
Oyster Band.
Ozawa, Seiji
Ozgijan [Osghian], Petar
Ozi [Ozy], Etienne
Ozim, Igor
Ozy, Etienne.