Obrecht, Jacobus, 459 , 492 , 493 , 499 , 544 , 547 , 574 , 776
J’ay pris amours, 539
Missa Caput, 473 , 481 –83
Missa L’Homme Armé, 493Occitan. See Provençal,
occultism, 271 –72, 285 , 615 –16
occursus, 152 , 154 , 155 , 168 , 276 , 356
fifth relations vs., 471O che nuovo miracolo (Cavalieri), 804
Ockeghem, Johannes, 454 –55, 455 , 459 , 499 , 547 , 574 , 667
Bartoli on, 641
bergerette classic by, 526 –28
Busnoys motet and, 456 –57, 500
cyclic Mass Ordinaries and, 460 , 473 –81, 482 , 483
historical reputation of, 480 –81
Josquin and, 500 , 529 –30, 531
Phyrgian polyphony and, 529
veneration of, 457 , 458 , 500
works of
Ma bouche rit et ma pensée pleure, 526 –28, 529 –30
Missa Caput, 458 , 473 –77, 482 , 483 , 493
Missa cuiusvis toni, 479 –80
Missa Prolationum, 477 –78, 480 , 529 , 531 , 641
“O clemens, O pia, O dulcis,” 505 –6
Salve Regina, 504 –6, 517
Ut heremita solus, 457 , 500octave, 102 , 187 , 495
equivalency, 77 , 151
leap, 447 , 448
paralleling of, 150
as “perfect” interval, 149
plus fifth, 166 , 168
seven distinct species, 74
syllabic representation, 101octonaria meter, 355 , 364
ode, 34 , 118
Odhecaton (Petrucci music book), 543 , 544 , 559
Odington, Walter, 402 , 403