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Music Classification Numbers by Subject

O

  • O all ye works of the Lord, see Benedicite omnia opera
  • O antiphons (Antiphonaries): M2149.2.02
  • O come let us sing, see Venite, exultemus Domino
  • O cor amoris victima: M2079.L713
  • O Lamb of God, see Agnus Dei
  • O sacrum convivium: M2079.L718
  • O salutaris (hostia): M2079.L72
  • O sing unto the Lord, see Cantate Domino canticum novum, cantate Domino
  • Oboe
    • Bibliography: ML128.O2
    • History and criticism: ML940+
      • Construction: ML941
    • Instruction and study: MT360+
    • Instrumental music: M65+
      • with
        • orchestra (Solo): M1022+; M1122+
        • piano: M245+
  • Oboe d'amore (Instrumental music)
    • Bibliography: ML128.O2
    • Chamber music: M990
    • with
      • orchestra (Solo): M1034.026+; M1134.026+
      • piano: M270.026+
  • Oboette (Instruction and study): MT372
  • Obsolete instruments
    • Keyboard instruments
      • History and criticism: ML651
      • Music: M990
    • String instruments
      • History and criticism: ML927
      • Instruction and study: MT336+
      • Music: M59+; M990
        • with orchestra (Solo): M1019; M1119
    • Wind instruments
      • Instruction and study: MT520
      • Music: M990
  • Ocarina
    • History and criticism: ML990.03
    • Instruction and study: MT526
    • Instrumental music: M110.03
      • with piano: M270.03+
  • Oceania (Literature on music)
    • History and criticism: ML360+; ML3770
    • Instruments and instrumental music: ML547
  • Octave Day of Christmas (Propers): M2148.3.C6
  • Octave playing (Piano)
    • Instruction and study: MT229
  • Octets
    • Instrumental: M800+
    • Vocal
      • Sacred: M2018+
      • Secular: 1528+
  • Odd Fellows, Independent Order of (Vocal music): M1905.03+
  • Oecology, see Ecology
  • Offertories: M2079.L73
  • Offices
    • Church of England: M2168.5
    • for
      • the dead
        • Protestant Episcopal Church in the U.S.A.: M2016.8
        • Roman Catholic Church: M2149.5.D4+
    • Roman Catholic liturgy: M2149.3; M2149.5+
  • Old Catholic Church
    • History and criticism: ML3065
    • Liturgy and ritual: M2155.5
  • Old folks concerts of Father Kemp (Vocal music): M1677
  • Olympic games (Vocal music): M1977.05+
  • Ondes Martenot (Instrumental music): M175.05
    • Instruction and study: MT723
    • with
      • orchestra (Solo): M1039.4.05; M1139.4.05
      • piano: M284.05+
  • Ondes musicales, see Ondes Martenot
  • Ondium martenot, see Ondes Martenot
  • Opera, Peking, see Peking opera
  • Opera houses (Construction), see Design and construction of concert halls, opera houses, etc.
  • Operas
    • Aesthetics: ML3858
    • Analytical guides: MT95+
    • Bibliography: ML128.04
      • Discography: ML156.4.046
    • Composition (Instruction and study): MT64.06
    • Dictionaries: ML102.06
    • History and criticism: ML1700+; ML1800
    • Librettos: ML48+
    • Music: M1500+
      • Motion pictures: M1527+
      • Radio: M1527.5+
      • Television: M1527.7+
    • Programs: ML40+
    • see also Comic operas
  • Operas, Chinese, see Chinese operas
  • Operas, Revolutionary, see Revolutionary operas
  • Operatic scenes: M1509
  • Operettas
    • History and criticism: ML1900
    • Librettos: ML48+
    • Music: M1500+
    • Programs: ML40+
  • Ophicleide
    • History and criticism: ML990.07
    • Instruction and study: MT520
  • Oratorios
    • Aesthetics: ML3867
    • Analytical guides: MT110+
    • Bibliography: ML128.045
    • History and criticism: ML3201+
    • Librettos: ML53+
    • Music: M2000+
  • Orchestra
    • Analytical guides: MT125+
    • Bibliography: ML128.05
      • Discography: ML156.4.05
      • Graded lists: ML132.O68
    • Dictionaries: ML102.O66
    • Instruction and study: MT70+
      • for children: MT810
    • Music: M1000+
      • Concertos: M1042
      • for children: M1420
    • Pieces: M1045+
    • Reduced: M1350+
    • Solo instrument(s) with orchestra: M1004.5+
  • Orchestral bells (Instruction and study): MT720
  • Orchestral choirs (Instruction and study): MT71
  • Orchestral music, see Orchestra
  • Orchestral studies, see Instruction and study under individual instruments
  • Orchestration (Instruction and study): MT70+
  • Order of the Communion (Church of England): M2168.4
  • Orders and congregations (Roman Catholic liturgy): M2154.4+
  • Organ
    • Analytical guides: MT140+
    • Bibliography: ML128.06
      • Discography: ML156.4.06
      • Graded lists: ML132.07
    • Dictionaries: ML102.O7
    • History and criticism: ML550+
      • Construction: ML552+
    • Instruction and study: MT180+
      • for children: MT801.07
    • Music: M6+
      • Accompaniment: M14; M2061+
        • Instruction and study: MT190+
      • Duets: M180+
      • for children: M1375+
      • Liturgical: M14.3
      • Organ books: M14
      • Quartets: M400+
      • Quintets: M500+
      • Sextets: M600+
      • Trios: M300+
      • with orchestra (Solo): M1005+; M1108+
  • Organ blessing, see Blessing of a church organ
  • Organ trade, see Music trade
  • Organists: ML396; ML416
  • Organizations (Vocal music): M1920+
  • Organum (History and criticism): ML174
  • Oriental music (Literature on music): ML162
    • see also Byzantine music; Arabic music
  • Origin
    • of music: ML3800
  • Orphéal (Instrumental music): M175.06
  • Orthodox churches
    • History and criticism: ML3060
    • in communion with Rome (Uniat): M2160.7+
    • Vocal music
      • Choruses, part-songs, etc.: M2080; M2100+
      • Liturgy and ritual: M2156+
      • Services: M2015
      • Songs for one voice: M2114.2
  • Ostinato, see Ground bass
  • Oud
    • History and criticism: ML1015.09
    • Instrumental music: M142.09; M1137.4.09
  • Outlines
    • History and criticism: ML161
    • Instruction and study: MT10
      • for children: MT936
  • Overtones, see Harmonics
  • Overtures
    • History and criticism: ML1261
    • Music: M1004; M1104
      • Band: M1204; M1255

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