| 1. | Second staff : isorhythmic tenor as notated in mensural notation.
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| 2. | These early permutation technique already anticipated later isorhythmic composition techniques.
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| 3. | Many compositions became isorhythmic in all voices, a practice known as panisorhythm.
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| 4. | There are 112 pieces total, mostly by rondeaus, virelais, and isorhythmic motets.
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| 5. | Successive mensural canons were a characteristic feature of late 14th and early 15th century isorhythmic motets.
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| 6. | During the decades following and into the 15th century, upper voices became increasingly involved in isorhythmic organization.
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| 7. | The motets by Grenon are unusual in their use of strict isorhythmic technique, usually in all voices.
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| 8. | In some aspects they are similar to motets of Dufay, except for the strictness of the isorhythmic principle.
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| 9. | Various musical styles and techniques are represented including English discant, treble-dominated works, isorhythmic compositions, and canons.
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| 10. | A number of his works have been based on Renaissance isorhythmic techniques such as the nonet " Ficta ".
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