"Douce Dame Jolie", 1-part Virelai by 14th-century composer and poet Guillame de Machaut. After an edition in Timothy Roden, Craig Wright, Bryan Simms, Anthology for Music in Western Civilization, vol. 1, p.103.
https://en.wikipedia.org/wiki/Douce_Dame_Jolie
https://fr.wikipedia.org/wiki/Douce_dame_jolie
https://fr.wikipedia.org/wiki/Liste_des_compositions_de_Guillaume_de_Machaut
https://es.wikipedia.org/wiki/Guillaume_de_Machaut