Marcel Pérès founded an ensemble named for this style that has also recorded traditional Corsican, Mozarabic, and Ambrosian chant. For 10 points each:
[10h] Name this style of pieces divided into polyphonic purum sections and homophonic discantus sections. Léonin was a composer of this style’s duplum form.
ANSWER: organum [accept Ensemble Organum; accept organum duplum or organum purum]
[10e] Léonin and Pérotin belonged to the Notre Dame school, which employed the rhythmic type of these concepts. Melodic examples of these constructs, such as Lydian, can be derived by starting the major scale on a different note.
ANSWER: modes [accept rhythmic modes; accept Lydian mode; accept melodic mode]
[10m] The rhythmic modes were abandoned by the later ars nova, exemplified by the works of this French composer. This composer wrote the virelai “Douce Dame Jolie” and the Messe de Nostre Dame.
ANSWER: Guillaume de Machaut (“ghee-YOME duh mah-SHOW”)
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