What is Consonance?

Consonance refers to combinations of musical notes that sound stable, pleasant, and harmonically balanced when heard together. Consonant intervals and chords create a sense of rest or resolution in music, often serving as points of stability within a musical passage.

In traditional Western music theory, common consonant intervals include the unison, octave, perfect fifth, perfect fourth (in some contexts), major and minor thirds, and major and minor sixths. These intervals tend to blend smoothly because their frequency relationships are relatively simple, producing a sound that listeners perceive as harmonious.

Consonance plays an important role in harmony and counterpoint, where it often contrasts with dissonance to create musical tension and release. While dissonance introduces instability that seeks resolution, consonance provides moments of clarity and completion within the structure of a composition.