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edits
Changes
m
B{{b}} Bb 1st Inv. (N{{6}} N6 of A Major/Minor)
C{{f}}Cb: N V I
→Neapolitan Chord
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C D{{f}}Db/F G C I N{{6}} N6 V I
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Am B{{f}}Bb/D Em Am i N{{6}} N6 v i
===== Other Uses =====
The non-inverted Neapolitan chord can easily be used to modulate to a major key a half step below the current key by using the original key's I chord as the destination key's N chord.
C F C G{{f}} Gb C{{f}}Cb
C: I IV I
If a m7 is added to the N chord, it can serve as a secondary dominant to the original key's {{s}}IV or {{b}}V. For example, in C Major, the N chord is (D{{f}} F A{{f}}). The m7 is C{{b}} or B. This is the dominant 7th chord of the F{{s}} or G{{b}} Major keys.