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Resolution (music)

Resolution in western tonal music theory is the move of a note or chord from dissonance (an unstable sound) to a consonance (a more final or stable sounding one).

Dissonance, resolution, and suspense can be used to create musical interest. Where a melody or chordal pattern is expected to resolve to a certain note or chord, a different but similarly suitable note can be resolved to instead, creating an interesting and unexpected sound. For example, the deceptive cadence.

Basis

A dissonance has its resolution when it moves to a consonance. When a resolution is delayed or is accomplished in surprising ways—when the composer plays with our sense of expectation—a feeling of drama or suspense is created.


{{Image frame|content= { override Score.SpacingSpanner.strict-note-spacing = ##t set Score.proportionalNotationDuration = #(ly:make-moment 1/12) ew PianoStaff << ew Staff << elative c' { clef treble key bes major ime 2/4 r8 -.p -.[ -.] -.ff r } >> ew Staff << ew Voice elative c { clef bass key bes major ime 2/4 stemUp 8 stemNeutral -.[_markup { concat { "V" aise #1 small "7" hspace #1.5 "I" hspace #2 "V" aise #1 small "7" hspace #1.4 "I" } } bes-.] -. -. r ar "|." } ew Voice elative c, { clef bass key bes major ime 2/4 stemDown bes8 } >> >> } |width=300|caption=Dominant seventh resolutions in the last measures of Beethoven's Piano Sonata No. 11 (Beethoven)|Piano Sonata in B major, Op. 22 (1800).}}Resolution has a strong basis in tonal music, since atonal music generally contains a more constant level of dissonance and lacks a tonal center to which to resolve. The concept of "resolution", and the degree to which resolution is "expected", is contextual as to culture and historical period. In a classical piece of the Baroque period, for example, an added sixth chord (made up of the notes C, E, G and A, for example) has a very strong need to resolve, while in a more modern work, that need is less strong - in the context of a pop or jazz piece, such a chord could comfortably end a piece and have no particular need to resolve.

Example



An example of a single dissonant note which requires resolution would be, for instance, an F during a C major chord, C–E–G, which creates a dissonance with both E and G and may resolve to either, though more usually to E (the closer pitch). This is an example of a suspended chord. In reference to chords and progressions for example, a phrase ending with the following cadence IV–V, a half cadence, does not have a high degree of resolution. However, if this cadence were changed to (IV–)V–I, an authentic cadence, it would resolve much more strongly by ending on the tonic I chord.