Ab Neapolitan Major Scale

Notes in the Ab Neapolitan Major Scale

Degree Name Note Frequency (A=440)
1 Tonic Ab 415.305 Hz
♭2 Neapolitan 2nd A 440.000 Hz
♭3 Minor Mediant B 493.883 Hz
4 Subdominant Db 277.183 Hz
5 Dominant Eb 311.127 Hz
6 Major Submediant F 349.228 Hz
7 Leading Tone G 391.995 Hz

Interval Pattern

Formula: H-W-W-W-W-W-H
Step Interval Semitones From Note To Note
1 Half Step (H) 1 Ab A
2 Whole Step (W) 2 A B
3 Whole Step (W) 2 B Db
4 Whole Step (W) 2 Db Eb
5 Whole Step (W) 2 Eb F
6 Whole Step (W) 2 F G
7 Half Step (H) 1 G Ab

Chords Built on Scale Degrees

Degree Note Chord Quality
1 Ab Ab minor minor
♭2 A A augmented augmented
♭3 B B augmented augmented
4 Db Db major
5 Eb Eb (complex) other
6 F F diminished diminished
7 G G (complex) other

Key Signature

4 — The Ab key signature uses Bb, Eb, Ab, Db.

Ab Neapolitan Major Scale in Practice

The Ab Neapolitan Major Scale uses the key signature of 4 flats (Bb, Eb, Ab, Db). Ab major has four flats and a full, somewhat dark sound. It is a common key in Romantic piano music and is frequently encountered in orchestral and choral writing. On guitar, Ab positions offer comfortable transposing instrument keys for this scale.

The Neapolitan major scale starts with a half step and flat 2nd degree, derived from the Neapolitan chord in classical harmony. It has a rich, romantic character used in classical and contemporary composition.

Tuning Frequencies Across Temperaments

Frequencies shown at A=440 Hz. View full temperament data for any note.

Note Equal Temp. Pythagorean Just Intonation
Ab 415.305 Hz 417.657 Hz 418.601 Hz
A 440.000 Hz 440.000 Hz 436.043 Hz
B 493.883 Hz 495.000 Hz 490.548 Hz
Db 277.183 Hz 278.437 Hz 279.067 Hz
Eb 311.127 Hz 309.026 Hz 313.951 Hz
F 349.228 Hz 347.654 Hz 348.834 Hz
G 391.995 Hz 391.111 Hz 392.438 Hz

Related Scales

Transposing Instruments: Ab Neapolitan Major Scale

Ab is a natural key for B♭ instruments (trumpet, clarinet, tenor sax), which sound a major second lower than written. B♭ instruments reading in C produce Ab concert pitch. E♭ instruments (alto sax, baritone sax) reading in Ab sound a major sixth lower.