<P> The oldest extant polyphonic setting of the mass attributable to one composer is Guillaume de Machaut 's Messe de Nostre Dame , dated to 1364 , during the pontificate of Pope Urban V . </P>
<P> The oldest extant polyphonic setting of the mass attributable to one composer is Guillaume de Machaut 's Messe de Nostre Dame , dated to 1364 , during the pontificate of Pope Urban V . </P>
which person or group brought polyphonic music into the christian church
which person or group brought polyphonic music into the christian church
Guillaume de Machaut
Guillaume de Machaut