Music, piano, origin of, 101; evolution of, 108, 115. Music, popular, examples of, 63, 64, 67, 69. Music, programme, 177; defined, 177, 178. Music, recitative, 252. Music, secular, 39; development of, 47; new developments in, 74. Music, vocal, 106, 108, 116, 234. "Musikalische Kritik," Matheson's, 93. "Musurgia," Luscinius', 91. Mysteries, the, 56. Myth, the, Wagner's use of, 361, 362, 363. Mythical stories, as subjects for librettos, 359. Nanini, Giovanni Maria, 75, 77; his "Hodie nobis coelorum Rex," 77. Naples, 49, 265. Naumann, 37, 43. Nazianzen, St. Gregory, Patriarch of Constantinople, 200. Neapolitans, the, 302. Neapolitan School of opera writers, the, 265, 270, 275, 280, 285, 357. Neri, St. Philip, reforms the early Christian drama, 202-203. "Nerone," Boito's, 288. Netherlands, the, 17, 44. Netherlands school, the great, over-shadows the Gallo-Belgic school, 37; periods of, 38-40; formation of its character, 40, 45, 48, 60, 73, 102, 189, 387, 392. Neumes, the, 17, 18, 19, 383. New College, 63. New Haven, 87. New Testament, the, study of, 68. "Nibelungen Lied," the, 348. Nokter, Balbulus, 9. "Nonne Sanglante, La," Gounod's, 329. "Norma," Bellini's, 280. Notation, the earliest form of, 17. Nottinghamshire, 63. "Nozze di Figaro," Mozart's, 285, 340, 341, 342. "Nozze di Tito e di Peleo," Cavalli's, 263. "Nuove Musiche," Caccini's, 241. Nuremberg, 209. "Oberon," Weber's, 349. "Oberto, Conte di San Bonifazio," Verdi's, 281. Oboes, 148, 152, 153, 155, 156, 157, 162, 164, 191. Octets, 186, 193. Odington, Walter, 28. Okeghem, Johannes, 39, 40, 41, 42, 43, 50, 63, 141, 386, 387. "Olympie," Spontini's, 323. "Omme Armée, L'," 36, 45. Opera, 79, 106, 160; its effect on Mozart, 166, 203; origin of, 234-241; early development of, 243-252; Monteverde's innovations in, 259-262; becomes public and popular, 262; shows a step in advance, 264; three kinds of vocal music in, 265-267; the position of the aria established in, 270; rules for, 273, 274; Weber's definition of, 351. Opera Buffa, the. See _Opera, comic grand_. Opera, comic grand, 275, 276, 279, 280. Opera, pastoral, 291. Opera, the comic Italian, 236. Opera, the French, 277; early history of, 290; the real development of, 294-296; Lulli the virtual founder of, 300; Lulli's influence upon, 301-308; Rameau's influence upon, 309-311; Gluck's influence upon, 321. Opera, the German, 233; early history of, 336-339; development of, 339, 340; the school of, 341; Weber's influence on, 348; enormous influence of Wagner on, 355.