Music Term
What is consonance?
Definition
Consonance refers to combinations of notes that sound stable, pleasant, and resolved -- intervals or chords that create a sense of rest, agreement, and harmonic completion.
Consonance in music -- explained
Consonance is the auditory quality of harmonic stability. In Western music theory, the perfectly consonant intervals are the unison, octave, and perfect fifth -- they share simple frequency ratios (1:1, 2:1, 3:2) that produce no acoustic beating and are perceived as pure and stable. The major third (5:4) and minor third (6:5) are imperfectly consonant -- stable but with some colour and warmth. The distinction between consonance and dissonance is not absolute: it is a spectrum, and what is considered consonant has changed dramatically across musical history. The tritone was once forbidden; now jazz musicians use it constantly. The minor seventh chord (considered quite dissonant in classical harmony) is the basic chord quality of funk and soul. In pop music, perfect consonance (pure fifths and octaves) can actually sound thin and empty; a degree of harmonic complexity (major and minor sevenths) enriches the sound.
Notable examples of consonance
Clair de Lune -- Claude Debussy
Debussy blurs the classical consonance-dissonance distinction: his parallel fifths and ninths are technically dissonant but perceptually consonant.
Blackbird -- The Beatles
The guitar's open string resonance creates consonant overtones that give the song its warm, organic quality.
How Great Thou Art -- Traditional / various
Built almost entirely on consonant perfect fourths and fifths, the hymn's harmonic simplicity serves its devotional clarity.
Related music terms
Frequently asked questions
- What is consonance in music?
- Consonance refers to combinations of notes that sound stable, pleasant, and resolved -- intervals or chords that create a sense of rest, agreement, and harmonic completion.
- What is an example of consonance?
- A well-known example is Clair de Lune by Claude Debussy: Debussy blurs the classical consonance-dissonance distinction: his parallel fifths and ninths are technically dissonant but perceptually consonant.
- How is consonance used in music?
- Consonance is the auditory quality of harmonic stability. In Western music theory, the perfectly consonant intervals are the unison, octave, and perfect fifth -- they share simple frequency ratios (1:1, 2:1, 3:2) that produce no acoustic beating and are perceived as pure and stable.
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