A♭ Minor Triad

Chord Tones: A♭ Minor Triad

Symbol: m, min, - — Formula: 1-♭3-5

DegreeNoteFrequency (A=440, Equal)
1 A♭4 415.305 Hz
♭3 B4 493.883 Hz
5 E♭4 311.127 Hz

Chord Notation

Notation TypeSymbol / Value
Lead Sheet SymbolA♭m
All Common Symbolsm, min, -
Interval Formula1-♭3-5
Harmonic Categoryconsonant

Roman numeral (e.g. I, IV, V) and Nashville Number notation are key-dependent. See Keys pages for chord function within specific keys.

Inversions

InversionNotes (low to high)Bass NoteSlash Notation
Root Position A♭4 B4 E♭4 A♭ A♭ Minor Triad
First Inversion B4 E♭4 A♭4 B A♭ Minor Triad/B
Second Inversion E♭4 A♭4 B4 E♭ A♭ Minor Triad/E♭

Harmonic Function

The A♭ minor chord commonly functions as the submediant (♭VI) in C minor or subdominant in E♭ major. Its harmonic role varies by key — in major keys it provides subdominant or supertonic color.

The minor triad has a dark, introspective sound created by the flat third degree. It is the foundation of minor key harmony and widely used across all genres of music. The A♭ Minor Triad specifically contains 3 notes: A♭, B, E♭ (formula: 1-♭3-5). On piano, Ab-rooted chords use a combination of black and white keys that creates a relaxed hand shape, favored by Romantic-era composers for lyrical passages. Pop ballads, film scores, and neo-soul tracks often use Ab chords for their warm, enveloping quality — the key sits comfortably for many vocal ranges.

Common Progressions

The A♭ Minor Triad frequently appears in these progression patterns (shown in Roman numeral notation relative to key):

Songs Featuring the Minor Triad

Well-known songs where the A♭ Minor Triad — or this chord type — plays a prominent role:

Tuning Frequencies Across Temperaments

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

NoteEqual Temp.PythagoreanJust Intonation
A♭4 415.305 Hz 417.657 Hz 418.601 Hz
B4 493.883 Hz 495.000 Hz 490.548 Hz
E♭4 311.127 Hz 309.026 Hz 313.951 Hz

Scales Containing the A♭ Minor Triad

These scales include the A♭ Minor Triad as a diatonic or characteristic chord: