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The first documented use of polyphony in Brussels, at the collegiate church of Ste Gudule.
Compositions
1360
January – Two motets by Guillaume de Machaut, No. 21 Veni, creator spiritus and No. 23 Inviolata genitrix, are composed in response to the Siege of Reims.
after 1360 – Guillaume de Machaut motet No. 21 "Plange, regni respublica / Tu qui gregem tuum ducis / Apprehende arma et scutum et exurge"
1369 – Johannes Vaillant's double-texted (ballade) for three voices, Dame doucement trait / Doulz amis de cuer parfait, was copied in Paris (compilatum fuit parisius) into the Chantilly Codex (fol. 26v), and thus likely was composed in that year.
Wulf Arlt, "Machaut , Guillaume de ", The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).
John Milsom, "Landini, Francesco", The Oxford Companion to Music, edited by Alison Latham (Oxford and New York: Oxford University Press, 2001).
Kurt von Fischer and Gianluca D’Agostino, "Niccolò da Perugia ", The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).
Robert Wangermée and Henri Vanhulst, "Brussels", The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).
Kurt Markstrom, "Machaut and the Wild Beast", Acta Musicologica 61, No. 1 (January–April 1989): 12–39. Citation on 30–35.
Gilbert Reaney, "The Manuscript Chantilly, Musée Condé 1047", Musica Disciplina 8 (1954): 59–113. Citations on 79, 85, and 90.