A♭ Mixolydian Mode

Notes in the A♭ Mixolydian Mode

Degree Name Note Frequency (A=440)
1 Tonic A♭ 415.305 Hz
2 Supertonic B♭ 466.164 Hz
3 Mediant C 261.626 Hz
4 Subdominant D♭ 277.183 Hz
5 Dominant E♭ 311.127 Hz
6 Submediant F 349.228 Hz
♭7 Subtonic G♭ 369.994 Hz

Interval Pattern

Formula: W-W-H-W-W-H-W
Step Interval Semitones From Note To Note
1 Whole Step (W) 2 A♭ B♭
2 Whole Step (W) 2 B♭ C
3 Half Step (H) 1 C D♭
4 Whole Step (W) 2 D♭ E♭
5 Whole Step (W) 2 E♭ F
6 Half Step (H) 1 F G♭
7 Whole Step (W) 2 G♭ A♭

Chords Built on Scale Degrees

Degree Note Chord Quality
1 A♭ A♭ major
2 B♭ B♭ minor minor
3 C C diminished diminished
4 D♭ D♭ major
5 E♭ E♭ minor minor
6 F F minor minor
♭7 G♭ G♭ major

Key Signature

4 — The A♭ key signature uses B♭, E♭, A♭, D♭.

A♭ Mixolydian Mode in Practice

The A♭ Mixolydian Mode uses the key signature of 4 flats (B♭, E♭, A♭, D♭). 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, A♭ positions offer comfortable transposing instrument keys for this scale.

The Mixolydian mode is like a major scale with a flat 7th, giving it a bluesy, rock quality. It appears in rock, blues, folk, and Celtic music and is essential for dominant chord improvisation.

Tuning Frequencies Across Temperaments

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

Note Equal Temp. Pythagorean Just Intonation
A♭ 415.305 Hz 417.657 Hz 418.601 Hz
B♭ 466.164 Hz 463.538 Hz 470.926 Hz
C 261.626 Hz 260.740 Hz 261.626 Hz
D♭ 277.183 Hz 278.437 Hz 279.067 Hz
E♭ 311.127 Hz 309.026 Hz 313.951 Hz
F 349.228 Hz 347.654 Hz 348.834 Hz
G♭ 369.994 Hz 371.251 Hz 367.911 Hz

Related Scales

Transposing Instruments: A♭ Mixolydian Mode

A♭ 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 A♭ concert pitch. E♭ instruments (alto sax, baritone sax) reading in A♭ sound a major sixth lower.