neume

/njuːm/
noun
  1. A basic unit of musical notation used in medieval and early church music, representing a single pitch or a group of pitches sung on one syllable.
    • The choir practiced reading the ancient neumes from the manuscript.
    • Scholars study neumes to understand how music was performed in the Middle Ages.
    • Each neume in the Gregorian chant indicated how the melody should rise or fall.
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