Léonin
first known significant composer of polyphonic organum
Albums
| Year | Title | Average | Ratings |
|---|---|---|---|
| 1958 | 
Music of the Middle Ages, vol. II |
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| 1985 | 
École Notre-Dame: Messe du Jour de Noël |
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| 1997 | 
Sacred Music from 12th-century Paris |
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| 1997 | 
The School of Notre Dame |
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| 2001 | 
Sacred Music from 12th-century Paris – 2 |
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| 2005 | 
Sacred Music from Notre-Dame Cathedral |