Neapolitan sixth


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Neapolitan sixth

n
(Classical Music) (in musical harmony) a chord composed of the subdominant of the key, plus a minor third and a minor sixth. Harmonically it is equivalent to the first inversion of a major chord built upon the flattened supertonic
References in periodicals archive ?
In addition, diminished seventh, augmented sixth, and Neapolitan sixth chords are all commonly used in supernatural scenes in the eighteenth century.
His admonishment against the insertion of a cadenza at the pause on the Neapolitan sixth near the end of the fugue of the Passacaglia in C Minor is surprisingly impassioned: "no occasion for an improvised cadenza