Sointuvaikutukseen

Sointuvaikutus is a Finnish term used in music theory to describe the perceived influence of harmony on a musical work. The illative form sointuvaikutukseen is often used when discussing the direction or target of the harmonic effect, for example how a given harmony contributes to mood, tension, or resolution within a piece. The concept is broader than a single theory; it serves as a framing for analyzing and describing how chords, progressions, and color in harmony shape listeners’ experience.

In practice, sointuvaikutus encompasses several factors. The quality and type of chords (major, minor, augmented, diminished), the functional or coloristic nature of progressions, cadences, and voice leading all play roles. Extended tones and color chords (such as ninths, elevenths, or altered tones) also influence the overall harmonic effect. Additionally, rhythmic tempo, dynamics, and orchestration interact with harmony to produce a coherent harmonic experience.

Composers and arrangers exploit sointuvaikutus to craft expressive contrasts within a piece. A bright, uplifting effect may emerge from swift, consonant progressions in a major mode, while a tense or uneasy effect can result from modulation, chromatic colorization, or non-functional harmony. In musical analysis, shifts in sointuvaikutus help explain sections that differ in mood, atmosphere, or narrative function.

See also: harmony, consonance and dissonance, chord progression.