Harmony Prelude in C minor, BWV 999
measures 8–14 (modulation occurring in mm. 11–14 highlighted]).
contrary title , key signature, less third of bwv 999 written in c minor. in measure 11, secondary leading-tone chord employed (namely, diminished f♯ seventh chord) modulate , lead ear g minor, dominant of original key. aside turn g major (mm. 34–38 , 42–43), , reemergence of c minor (mm. 39–41), g minor tonality dominates piece. on, upper voice repeated on several measures, left hand providing shifting harmonic background. example, measures 8–10 same in right hand, descending tones in left hand create expansion of tonic harmony.
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