Neapolitan Major

One flattened note in a bright surrounding

Compare it with the melodic minor scale and the difference is a single degree: the second, lowered by a semitone. Everything above it — the minor third, the natural sixth, the natural seventh — belongs to the jazz minor sound. The scale is therefore less exotic than its name suggests and closer to material most players already have under their fingers.

That single flattened note does a lot of work. It sits a semitone above the tonic, so any melody that touches it leans hard on home, and it also supplies the major triad on the flattened second degree — the Neapolitan chord that gave both scales their name.

The name and the chord behind it

The Neapolitan sixth is a major triad on the flattened second, normally used in first inversion just before the dominant. It was a favourite device of the eighteenth-century Neapolitan opera school, and the term was later extended to any scale containing that chord. The naming is retrospective: the composers used the chord, not the scale.

Knowing this changes how the scale is best approached. Rather than learning it as a shape, learn the progression — minor tonic, flattened-second major chord, dominant, tonic — and let the scale describe what a melody can do over it. That is the order in which the material actually developed.

Compared with its minor sibling

Neapolitan minor keeps the flattened sixth, which creates an augmented second between the sixth and seventh degrees and gives that scale a much heavier character. Neapolitan major removes it, so the upper half runs in whole tones and semitones like an ordinary scale.

In use this means the two are not interchangeable. The minor version reads as ceremonial or archaic, the major version as unsettled but modern, and swapping one for the other changes the passage rather than colouring it.

Where it turns up

There is no repertoire written in this scale, and the honest description is that it is a colour rather than a key. It appears in film scoring where tension has to stay unresolved for a long stretch, in progressive metal, and in the exercise books of players working through the complete set of altered scales.

The most practical use is over a minor chord in a passage that needs one bar of instability. Play the flattened second on a weak beat, let the natural sixth and seventh open out above it, and the bar will sound strange without sounding like a mistake.

Frequently asked questions