13th c.

Ars Antiqua

In and around medieval Paris, cathedral culture and the developing university supported increasingly elaborate written polyphony. The music associated with Léonin and Pérotin at Notre Dame provided foundations for later thirteenth-century practice. Musicians developed the motet from existing polyphonic repertories, and theorists such as Franco of Cologne described notation that made rhythmic relationships more explicit.

Musical terms

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Key musical characteristics

Measured polyphony centered on Notre Dame practice
Rhythmic modes coordinated independent voices
The motet emerged from clausula practice
Notation increasingly specified duration

Music theory concepts

Rhythmic modes: Recurring long–short patterns used to coordinate polyphonic voices.
Modal counterpoint: Voice-leading governed by perfect consonances, controlled dissonance, and modal finals.
Franconian notation: A system in which individual note shapes communicate relative duration.
Clausula structure: Measured polyphonic sections organized above portions of a sustained chant tenor.

Famous composers

Writers and poets

Dante Alighieri
Rumi
Rutebeuf

Visual artists

Nicola Pisano
Cimabue
Villard de Honnecourt

Key historical event

The founding and growth of European universities created new centers for scholarship, notation, and theoretical exchange.

Notable invention

Franco of Cologne’s mensural notation assigned rhythmic meaning to individual note shapes.