This composer's now-lost requiem was written following his permanent return to Cambrai.  
Charles Hamm divided this composer's works into nine chronological groups based on "mensural practice." This composer wrote a chanson which laments that "to love is so bitter that I want to throw myself into the sea." This composer inserted the names of Pope Eugene IV and King Sigismund of Bohemia at the end of his motet "Supremum est mortalibus bonum."  This composer's now-lost requiem was written following his permanent return to Cambrai.  He is the confirmed author of 13 isorhythmic motets considered the highest achievements of the genre. A communion by him is the earliest surviving piece to explicitly use the (*) fauxbourdon technique, although that technique was probably imported from England. A song by this composer, possibly written for the wedding of Dauphin Louis of Savoy, was later used as the cantus firmus for one of his four late mass cycles, marking the first time a composer used a popular song for such a purpose. This composer of Se la face ay pale was considered the leading composer of a school centered at Dijon which also included Gilles Binchois. For 10 points, name this French composer considered by contemporaries as the greatest of the 15th-century Burgundian school.
Charles Hamm divided this composer's works into nine chronological groups based on "mensural practice.
Guillaume Du Fay [or Du Fayt; apparently it's pronounced "doo-fah-ee"]