Question

Which person or group brought polyphonic music in to the Christian church

Answer 1

It would be notre Dame srry if im late but I hope this helps people in the future

Step-by-step explanation:

Answer 2

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.