text and settings of, 54 , 56 –57
votive Mass and, 316 , 317 , 318Agnus Dei II (Josquin), 520 , 529 , 531 –34
Agobard of Lyons, 69 ,
Agricola, Alexander, 544
Agricola, Martin (Martin Sohr), 762 , 765
Ein’ feste Burg ist unser Gott, 762 , 763air (ayre), 813
Aissi cum es genser pascors (Raimon), 98 –99
Aistulf, King of the Lombards, 2
alba (dawn-song), 110 –11
Alba Madonna (Raphael), 585
Albertus Parisiensis, 165 –67, 172
Albigensian Crusade, 116 , 351
Alcuin of York, 4 –5, 7 , 37 , 39
A l’entrada del tens clar (troubadour balada), 113 –14, 397
Alessandro, Lorenzo d’, 267
Alexander III (the Great), King of Macedonia, 38
Alexander VI, Pope, 458
Alfonsina, La (Ghiselin), 544 , 545
Alfonso I d’Este, Duke of Ferrara, 544
Alfonso X (the Wise), King of Castile, 128 –29, 130
Algorismus proportionum (Nicole d’Oresme), 248
Alia musica (anon.), 75 , 79
Alleluia, 13 , 24 , 25 , 26 , 28 , 41 , 42 –43, 79 , 417
Byrd setting of, 686 –87
jubilated singing and, 39 , 98
Marian text for, 209 –11, 211 , 212
motet and, 233 , 267 , 269 –71, 291
polyphonic setting of, 155 , 162 , 178 , 191 –96
prosulated, 41 , 42
as ritornello, 784 –85Alleluia Nativitas (Perotin, attrib.), 191 –96, 191 , 209
Alle psallite cum luya (motet), 403
Allererst lebe ich mir werde (Walther), 135
allusive art, 327
Alma Redemptoris Mater (Marian antiphon), 99 , 461 , 462