Bb Minor Sixth Chord

Chord Tones: Bb Minor Sixth Chord

Symbol: m6, min6 — Formula: 1-♭3-5-6

DegreeNoteFrequency (A=440, Equal)
1 Bb 466.164 Hz
♭3 Db 277.183 Hz
5 F 349.228 Hz
6 G 391.995 Hz

Chord Notation

Notation TypeSymbol / Value
Lead Sheet SymbolBbm6
All Common Symbolsm6, min6
Interval Formula1-♭3-5-6
Harmonic Categorymildly dissonant

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 Bb Db F G Bb Bb Minor Sixth Chord
First Inversion Db F G Bb Db Bb Minor Sixth Chord/Db
Second Inversion F G Bb Db F Bb Minor Sixth Chord/F
Third Inversion G Bb Db F G Bb Minor Sixth Chord/G

Harmonic Function

The Bb minor sixth chord commonly functions as the subtonic (♭VII) in C major or subdominant in F major. Its harmonic role varies by key — in major keys it provides subdominant or supertonic color.

The minor sixth chord adds a major sixth to the minor triad. It has a bittersweet quality, slightly brighter than a plain minor chord, widely used in jazz and popular music.

Common Progressions

The Bb Minor Sixth Chord frequently appears in these progression patterns (shown in Roman numeral notation relative to key):

Songs Featuring the Minor Sixth Chord

Well-known songs where the Bb Minor Sixth Chord — 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
Bb 466.164 Hz 463.538 Hz 470.926 Hz
Db 277.183 Hz 278.437 Hz 279.067 Hz
F 349.228 Hz 347.654 Hz 348.834 Hz
G 391.995 Hz 391.111 Hz 392.438 Hz

Scales Containing the Bb Minor Sixth Chord

These scales include the Bb Minor Sixth Chord as a diatonic or characteristic chord: