Ars Nova (1 jan 1310 ano – 1 jan 1370 ano)

Descrição:

Ars Nova was a new rhythmically focused style inaugurated by Vitry. It allowed imperfect measure divisions (duple instead of triple) and divided semibreves into minims. Some didn't like the encroachment of the new and 'imperfect' style on the old style. The ars nova also had a greater prominence of imperfect consonances such as thirds and sixths (but parallel perfects were still popular). The difficult to pin down Ars Subtilior was more subtle than the Ars Nova and for cultivated listeners.

Terms
- Isorhythm: tenor is laid out in segments of identical rhythm
- Talea: repeating rhythm
- Color: repeating melodic segment
- Hocket (“hiccup”): 2 voices that alternate in rapid succession, resting while the other sings
- Contratenor: second supporting voice

Forms (capital = music and words, lower = just music):
- Ballade: aabC aabC aabC [most serious]
- Rondeau: AB aAab AB [middle serious, ie love themes]
- Virelai: A bba A bba A bba A [least serious; nature and feelings of love]

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