Hunchback of Notre Dame
French 15th C Music
Guillaume Dufay (French, mid 15th C)
John Dunstable (English, early 15th C)
Johannes Ockeghem (French, mid to late 15th C)
Josquin Desprez (French, late 15th C)
Gypsy music
University article
From some music site
Gypsies
Gutenberg article