In music theory, a predominant chord (also pre-dominant[1]) is any chord which normally resolves to a dominant chord[1]. Examples of predominant chords are the subdominant (IV), supertonic (ii), Neapolitan sixth and German sixth[1]. Other examples are the submediant (vi), secondary dominant (V/V), iv and ii°. The predominant harmonic function is part of the fundamental harmonic progression of many classical works.
The dominant preparation is a chord or series of chords that precedes the dominant chord in a musical composition. Usually, the dominant preparation is derived from a circle of fifths progression. The most common dominant preparation chords are the supertonic, the subdominant, the V7/V, the Neapolitan chord (N6 or ♭II6), and the augmented sixth chords (e.g., Fr+6).
In sonata form, the dominant preparation is in the development, immediately preceding the recapitulation. Ludwig van Beethoven's sonata-form works generally have extensive dominant preparation — for example, in the first movement of the Sonata Pathétique, the dominant preparation lasts for 29 measures (mm. 169-197).
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