hexachord
Definition
- Noun:
- In music: A "hexachord" is a series of six consecutive notes in a musical scale, typically referring to the six-note pattern used in medieval and Renaissance music theory (e.g., the Guidonian hexachord: C–D–E–F–G–A).
Usage Examples
- (A six-note scale pattern used for teaching and composition.)
- (A set of six notes used as a reference for vocal training.)
Advanced Usage
"Hexachordal theory": The systematic study of hexachords in music, especially in the context of early Western music theory.
- Guido of Arezzo developed hexachordal theory to help monks memorize chants. (A method for organizing musical notes into six-note groups.)
"Hexachordum Apollinis": A famous collection of organ pieces by the Baroque composer Johann Pachelbel, named after the hexachord.
- Pachelbel's "Hexachordum Apollinis" explores variations on a six-note theme. (A musical work based on hexachordal patterns.)
Variants and Related Words
Hexachordal (adj): relating to or consisting of a hexachord.
- The hexachordal structure of the melody made it easy to transpose. (The melody's six-note pattern allowed for simple key changes.)
Tetrachord (n): a series of four notes, often used in ancient Greek and later music theory.
- A tetrachord is a smaller unit than a hexachord, covering the interval of a perfect fourth. (A four-note sequence.)
Synonyms
- Six-note scale: a scale consisting of six consecutive pitches.
- Hexatonic scale: a six-note scale (though not always the same as a historical hexachord).
Related Idioms
- "Singing from the hexachord": A historical phrase meaning to use the Guidonian hand method for sight-singing.
- Monks learned to sing from the hexachord, using hand gestures to find the correct notes. (A mnemonic technique for vocal training.)
Additional Notes
- Historical context: The hexachord was central to the Guidonian hand, a system where each joint of the hand represented a note in the hexachord. This helped medieval musicians memorize and perform chants without written music.