Answer:
Characteristics of Gregorian chants
Harmony. Monophonic in texture, so have no harmony.
Rhythm. No precise rhythm, notes may be held for a duration of short or long, but no complex rhythms are used.
The texts of troubadour songs deal mainly with themes of chivalry and courtly love. Most were metaphysical, intellectual, and formulaic. Many were humorous or vulgar satires. Works can be grouped into three styles: the trobar leu (light), trobar ric (rich), and trobar clus (closed).
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