Some interesting tidbits concerning renaissance music
Morales quotes the final imitation subject of Josquin's Missa Pange Lingua in the alternative Agnus Dei of his own Missa Mille Regretz
The opening theme of Mouton's Noe Noe, Psallite sounds like Morales's Spem in alium and Clemens non Papa's (lost) motet on Gaude Lux Donatiane
Gombert was quoting the superius in Josquin's Nymphes des bois in the opening of his own lament for Josquin, Musae Jovis
Gombert's first book of four part motets, published in 1539 by Scotto, opens with a motet which pleads, among other things, strength to resist lust. It ends with a motet which pleads for deliverance from a watery death. According to a contemporary writer, Gombert was sentenced to the galleys for violating a choirboy under his care, he disappears from court payment records in 1538.
The only place where the second part of the "Ferrariae" part of the motto in Josquin's Missa Hercules Dux Ferrariae appear in any other voice than the tenor is at the opening of the Gloria, to the text "Et in terra pax"
Agricola's mother, Lijsbet Naps, lived in Ghent during the 1480s just a few streets away from Willem Obrecht, the father of Jacob Obrecht.
The opening subject of Gombert's Dicite in Magni, composed for the birth of Philip, the future King of Spain, was re-used twelve years later by Nicolas Payen in Carole cur defles which mourns the the passing of Philip's mother, Queen Isabella.