Léonin

French 12th-century composer associated with polyphony in Notre Dame

Léonin (also Leoninus, Leonius, Leo; fl. 1163–1190?) was the first known significant composer of polyphonic organum. He was probably French, probably lived and worked in Paris at the Notre-Dame Cathedral and was the earliest member of the Notre Dame school of polyphony and the ars antiqua style who is known by name, thanks to the writer known as Anonymous IV. Though no further identification is certain, the name "Leoninus" and its Latin diminutive Leo have the French equivalents Léonin/Léo.

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  • Alleluia Nativitas
  • Alleluya Pascha Nostrum
  • Haec dies
  • Magnus liber organi de graduali et antiphonario pro servitio divino
  • Viderunt omnes fines terre