B♭ Minor Sixth Chord

Chord Tones: B♭ Minor Sixth Chord

Symbol: m6, min6 — Formula: 1-♭3-5-6

Chord Notation

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

Inversions

Harmonic Function

The B♭ 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. The B♭ Minor Sixth Chord specifically contains 4 notes: B♭, D♭, F, G (formula: 1-♭3-5-6). On piano, Bb-rooted chords start on a black key and create hand shapes that jazz pianists find ideal for voicing seventh chords and extended harmonies. Jazz standards, swing, and big band charts are heavily weighted toward Bb because it allows horn sections to play in their most comfortable range.

Common Progressions

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

• i6-iv
• v6-I

Songs Featuring the Minor Sixth Chord

Well-known songs where the B♭ Minor Sixth Chord — or this chord type — plays a prominent role:

• Michelle – The Beatles (bridge)
• My Funny Valentine – jazz standard
• Autumn in New York – jazz standard

Tuning Frequencies Across Temperaments

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

Scales Containing the B♭ Minor Sixth Chord

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