C neapolitan major scale
The C neapolitan major scale consists of the C (Perfect unison), C# (Minor second), D# (Minor third), F (Perfect fourth), G (Perfect fifth), A (Major sixth) and B (Major seventh) notes.

How to play the C neapolitan major scale
- Find C (Root) on the piano keyboard
- Play C# (Minor second) — 1 semitone above C
- Play D# (Minor third) — 3 semitones above C
- Play F (Perfect fourth) — 5 semitones above C
- Play G (Perfect fifth) — 7 semitones above C
- Play A (Major sixth) — 9 semitones above C
- Play B (Major seventh) — 11 semitones above C
- Play all 7 notes in ascending order to perform the C neapolitan major scale