Ochsenkhuns; Lute, ii. 177b.
Ockenheim. (See Okeghem, ii. 494b.)
O'Conallon, T.; Irish Mus., ii. 19a.
O'Conallon, W.; Irish Mus., ii. 19a.
Ocon, E.; Song, iii. 599b.
Octave, ii. 491b; Diapason, i. 442b; Interval, ii. 11b.
Octave, ii. 492a; Organ, ii. 583b, etc.; Principal, ii. 31b.
Octave Flute. (See Piccolo, ii. 750b.)
Octave, Short; Organ, ii. 588a, etc.; Spinet, iii. 653a.
Octet, ii. 492a; Mendelssohn, ii. 258b; Schubert, iii. 339b.
O'Daly, G.; Irish Mus., ii. 19a.
Oddus, F.; Sistine Chapel, iv. 794a.
Ode, ii. 492a; Lyric, ii. 182b; Schools of Comp., iii. 291a; Song, iii. 621a.
Odèon, ii. 492b.
Odington, W., iv. 734a; Mus. Mensurata, ii. 415b; Notation, ii. 471b; Organum, ii. 610a; Hist. of Mus., iv. 673b.
Œdipus, ii. 492b; iv. 734a; Mendelssohn, ii. 281a, etc.
Oesten, M., ii. 493a.
Oesten, T., ii. 493a; PF. Mus., ii. 731a.
Offenbach, J., ii. 493a; iv. 734a;
Adam (A. C.), i. 28b;
Belle Hélène, La, i. 211a;
Lecocq, ii. 110b;
Lischen et Fritzchen, ii. 145a;
Orphée aux Enfers, ii. 611b;
Schools of Comp., iii. 304b;
Vert-vert, iv. 257a;
Humorous Mus., iv. 683a.
Ofterdingen, H. von; Song, iii. 615a.
Oginski, G., ii. 495b.
Oginski, M., ii. 494a.
Oginski, M. C., ii. 495b; Polonaise, iii. 10b.
Okeghem, J., ii. 494b;
Agricola (A.), i. 44a;
Brumel, i. 279b;
Busnois, i. 285b;
Crespel, i. 417a;
Harmony, i. 671a;
Hawkins, i. 700b;
Josquin, ii. 40b, etc.;
Mass, ii. 227b;
Motet, ii. 372a;
Mus. Antiqua, ii. 411a;
Petrucci, ii. 696b, etc.;
Polyphonia, iii. 13b;
Rochlitz, iii. 141b;
Schools of Comp., iii. 260a, etc.;
Burney, iv. 570b;
Dance-Rhythm, iv. 606a;
Dodecachordon, iv. 616a;
Sistine Chapel, iv. 794a.
Okey, M.; Pachmann, V. de, iv. 738a.
Oldfield, T.; Virginal Mus., iv. 308b.
Old hundredth Tune, ii. 495b; iv. 734b;
Hymn, i. 762b;
Ionian Mode, ii. 18a;
Le Jeune, ii. 119b, note;
Part Mus., ii. 656b;
Savoy, iii. 231a;
Sons of the Clergy, The, iii. 633b;
Havergal, iv. 670b;
Psalter, iv. 754b.
O'Leary, A., ii. 496b; PF. Mus., ii. 736a; Stanford, iii. 689b.
O'Leary, R., ii. 496b.
Ole. (See Polo, iii. 9b.)
Ole Bull. (See Bull, Ole, iv. 568b.)
Ole Olsen; Song, iii. 611a.
Olimpiade, ii. 496b; Metastasio, iv. 718b.
Oliphant, T., ii. 496b; Madrigal Soc., ii. 194a; Hist. of Mus., iv. 677a.
Oliva; Haydn, i. 706b.
Olivo, S.; Milan, ii. 329a.
Olleta, D.; Eslava, i. 495a.
Oloff, Eph.; Song, iv. 795a.
Olstani; Saggio di Contrappunto, iii. 212a.
Olympie, ii. 497a; Spontini, iii. 669b, etc.
Ondricek; Philh. Soc., iv. 747a.
O'Neill, A.; Bunting (Ed.), i. 283a; Irish Mus., ii. 19a.
Ongueval, van; Trésor Mus., iv. 802b.
Onslow, G., ii. 497a;
Clarinet, i. 364b;
Colporteur, Le, i. 378b;
Mendelssohn, ii. 257b;
Philh. Soc., ii. 698b;
PF. Mus., ii. 727a;
Quartet, iii. 57b;
Quintet, iii. 61a;
Reicha, iii. 98a;
Sestet, iii. 475b;
Violoncello-playing, iv. 301a.
Open Pipe; Organ, ii. 573a, etc.
Opera, ii. 497b; iv. 754b;
Académie de Mus., i. 6b, etc;
Act, i. 26a;
Ballet, i. 130a;
Barbieri, i. 138b;
Bardi, i. 139a;
Beggar's Opera, i. 209a;
Blaze, i. 248b;
Caccini, i. 290b;
Comic Opera, i. 379b, etc.;
English Opera, i. 488b, etc.;
Farce, i. 504a;
Finale, i. 523b;
Florence, i. 533b;
Gluck, i. 602a, etc.;
Grand Opera, i. 617a;
Harpsichord, i. 688a;
Intermezzo, ii. 7b;
Introduction, ii. 15a;
Keiser, ii. 48b;
Lajarte, ii. 85b;
Libretto, ii. 128b, etc.;
Magyar Mus., ii. 198b;
Masque, ii. 225b;
Melodrama, ii. 249a;
Mendelssohn, ii. 304a;
Monodia, ii. 354b, etc.;
Mozart, ii. 402b, etc.;
Mus. Antiquarian Soc., ii. 418b;
Oratorio, ii. 533a, etc.;
Orchestra, ii. 562a;
Overture, ii. 618b, etc.;
Pasticcio, ii. 669a, etc.;
Pastorale, ii. 670a;
Peri, ii. 691a;
Recitative, iii. 83a, etc.;
Rehearsal, iii. 97b;
Relation, iii. 105b;
Ritornello, iii. 137a;
Romantic, iii. 150b, etc.;
Scarlatti (A.), iii. 237b;
Scena, iii. 240b;
Schools of Comp., iii. 279a, etc.;
Secco Recitative, iii. 454b;
Singing, iii. 497b, etc.;
Singspiel, iii. 516a;
Sonata, iii. 554b;
Song, iii. 588b;
Symphony, iv. 11a, etc.;
Wagner, iv. 366b, etc.;
Weber, iv. 410b, etc.;
Zacconi, iv. 498a;
Cavalli, iv. 583b;
Dance-Rhythm, iv. 606b;
Galilei, iv. 644a;
Hist. of Mus., iv. 677a.
Opéra Bouffe, ii. 530b.
Opera Buffa, ii. 530b;
Comic Opera, i. 380a;
Intermezzo, ii. 8a, etc.;
Logroscino, ii. 514a;
Opera, ii. 513b, etc.;
Piccinni, ii. 747b, etc.;
Schools of Comp., iii. 304b.
Opera Comique, ii. 531a;
Académie de Mus., i. 7b;
Act, i. 26a;
Auber, i. 102b;
Banchieri, i. 133b;
Boieldieu, i. 257a;
Chanson, i. 336a;
Comic Opera, i. 379b;
Duni, i. 469a;
Grétry, i. 629a;
Méhul, ii. 247a;
Monsigny, ii. 356a;
Offenbach, ii. 493a;
Opera, ii. 522b, etc.;
Schools of Comp., iii. 281a, etc.;
Tilmant, iv. 116a;
Valentino, iv. 214b;
Vaudeville, iv. 231b;
Ventadour Theatre, iv. 2 38a.
Opera Comique, The, ii. 531a; iv. 735a. (See above.)
Opera, English, ii. 531a.
Opera, French, ii. 531a.
Opera, German, ii. 531a.
Opera, Grand, ii. 531b.
Opera, Italian, ii. 531b.
Opera Seria; Opera, ii. 513b.
