Linked from
The 11 pages that link to Notre-Dame school, each with the reason it gives.
CounterpointRelated: Its repertory expanded the scale and complexity of written polyphony.
MotetRelated: Its repertory includes the polyphonic settings from which the motet took shape.
Choral musicBroader topic: Its composers expanded the written polyphony available to church singers.
OrganumNarrower topic: Its composers cultivated large-scale, multi-voice organum.
Mass (music)Related: Its polyphonic innovations helped prepare the ground for composed Mass cycles.