D♭ Minor Seventh Chord

Chord Tones: D♭ Minor Seventh Chord

Symbol: m7, min7, -7 — Formula: 1-♭3-5-♭7

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 D♭ minor seventh chord commonly functions as the supertonic (♭II, Neapolitan) in C major or tonic in D♭ major. Its harmonic role varies by key — in major keys it provides subdominant or supertonic color.

The minor seventh chord adds a minor seventh to the minor triad, creating a smooth, mellow sound. It is ubiquitous in jazz, R&B, and funk as both a chord of repose and a stepping stone in progressions. The D♭ Minor Seventh Chord specifically contains 4 notes: D♭, E, A♭, B (formula: 1-♭3-5-♭7). On piano, Db-rooted chords place the root on a black key surrounded by other black keys, and the hand naturally cups over the raised surface for smooth voice leading. Romantic piano repertoire, contemporary R&B, and cinematic underscore frequently feature Db chords for their lush, introspective warmth.

Common Progressions

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

• ii-V-I
• i-iv-v

Songs Featuring the Minor Seventh Chord

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

• So What – Miles Davis
• Autumn Leaves – jazz standard
• Is This Love – Bob Marley

Tuning Frequencies Across Temperaments

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

Scales Containing the D♭ Minor Seventh Chord

These scales include the D♭ Minor Seventh Chord as a diatonic or characteristic chord: