a cappella rule of, 666 –67
Michelangelo ceiling, 719 , 719
six-as-perfect-number (senaria) theory, 587 –88, 603
sixteenth century,
ars perfecta and, 585 –628, 629 –30, 722
Byrd and, 670 –89
cyclic Mass Ordinaries and, 459 –500
emulative composition and, 474 –75
English music and, 423
imitative polyphony and, 546
instrumental genres in, 606 , 617 –28
international style and, 453 –59
Josquin and, 549 –84, 601
Lasso and, 678 , 712 –22
madrigal revival in, 723 –51
Palestrina and, 630 –70
Passion text polyphonic settings and, 776
Protestant Reformation and, 753 –69
vocal chamber music in, 540
sixteenth notes, 262 , 515 , 785
sixth mode, 80
6/3 position, 406 , 409
sixths, Landini, 368 , 383 , 441 , 470
Sixtus IV, Pope, 458 –59, 486 , 496
Slaughter of the Holy Innocents, 93 , 177
Smijers, Albert, 565
Smith, John Stafford, 409
So ben mi c’ha bon tempo (Vecchi), 746 , 748
social class,
cathedral clerical hierarchy and, 169 , 213 –18
dance style and, 621
feudal hierarchy and, 107 , 143
Florentine ballata and, 367 –68
French urbanization and, 120 , 142 , 143 , 169 , 207 –8, 219 , 226 –28
high art and, 116
international musical style and, 453 –57
madrigal and, 354 –56, 368