Classical Net
Classical Net: Basic Repertoire List: Johannes Ockeghem
This site offers information on the life and music of Johannes Ockeghem. It lists his Requiem, masses, and chansons, as well as providing a link to a discography.
Naxos Digital Services
Naxos Digital Services: Dufay, Guillaume
This resource provides a biography of musician Guillaume Dufay, as well as a short piece on both church and secular music. Also supplied are links to recommended recordings.