Modulation
Definition. A change of key during a piece — the music moves from one tonal center to another.
Detailed Explanation
Modulation is the process by which music changes key — moving from one tonal center to another. The technique is fundamental to tonal music: most pieces of any length modulate at least once, and complex works may modulate through many keys before returning to the home key.
Close modulations move to closely related keys (the dominant, the relative major or minor). Distant modulations move to remote keys. Each modulation creates a particular dramatic effect — close modulations feel natural and continuous; distant modulations feel surprising and dramatic.
The technique is essential to sonata form, where the second theme group typically appears in a related key (dominant in major, relative major in minor). The eventual return to the home key in the recapitulation provides structural resolution. Understanding modulation is essential to understanding tonal form.
Etymology
Latin modulatio, from modulari (‘to measure, regulate’).
In Practice
Mark modulations clearly. The harmonic shift to a new key should be audible — emphasize the new tonic, project the new key’s character. Modulations are dramatic events.
Notable Examples
- Beethoven — Symphonies and sonatas (elaborate modulation throughout development sections)
Related Terms
Frequently Asked Questions
Que signifie Modulation en musique ?
A change of key during a piece — the music moves from one tonal center to another.
D'où vient le mot Modulation ?
Latin modulatio, from modulari (‘to measure, regulate’).
Comment exécute-t-on Modulation en pratique ?
Mark modulations clearly. The harmonic shift to a new key should be audible — emphasize the new tonic, project the new key’s character. Modulations are dramatic events.
Quels termes musicaux sont liés à Modulation ?
Termes liés : Tonic, Dominant, Key Signature, Development, Circle of fifths.
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