D♭7 Chord
Dominant 7th chords have a tense, unresolved quality that strongly wants to resolve down a fifth to the tonic. They are the cornerstone of blues harmony and appear in every style from jazz to gospel to rock.
How to play D♭7 on guitar and piano
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Notes in D♭7
The D♭7 dominant 7th chord contains D♭ — F — A♭ — C♭. It is built from the following intervals above the root:
| Degree | Interval name | Note |
|---|---|---|
| 1 | Root | C♯ |
| 3 | Major third | F |
| 5 | Perfect fifth | A♭ |
| ♭7 | Minor seventh | B |
Interval formula: root (1) — major third (3) — perfect fifth (5) — minor seventh (♭7) (0, 4, 7, 10 semitones).
Sound and Character
Dominant 7th chords have a tense, unresolved quality that strongly wants to resolve down a fifth to the tonic. They are the cornerstone of blues harmony and appear in every style from jazz to gospel to rock. The D♭7 dominant 7th is built on the same root as D♭ major, with the addition of the ♭7th degree (B). That single added note creates the defining tension of the dominant 7th chord.
Key Function
D♭7 functions as the dominant chord (V7) resolving to Bb major or Db minor. The V7 chord in any major or minor key. In blues, every chord in a 12-bar blues is played as a dominant 7th (I7, IV7, V7), which is the defining characteristic of the blues sound.
Famous Songs Featuring D♭7
- "Rocket Man" – Elton John
- "My Heart Will Go On" – Celine Dion (Db section)
Voicing Tips
On piano: try the rootless voicing (3rd and ♭7th only) common in jazz — this creates space for the bass. On guitar: dominant 7th shapes are compact and sit naturally in 1st position. Open the MusoKit chord finder to see D♭7 on piano, guitar, and ukulele with audio playback — compare voicings across instruments to find the one that fits your playing style.
FAQs
What notes are in the D♭7 chord?
The D♭7 dominant 7th chord contains: D♭ — F — A♭ — C♭. The intervals are root (1) — major third (3) — perfect fifth (5) — minor seventh (♭7).
What key is the D♭7 chord in?
D♭7 functions as the dominant chord (V7) resolving to Bb major or Db minor.
How do you play D♭7 on guitar?
Open the chord finder to see common guitar voicings for D♭7. D♭7 is available in multiple positions — the chord finder shows the most practical shapes for each instrument.
What is the difference between D♭ major and D♭7?
The D♭7 dominant 7th is built on the same root as D♭ major, with the addition of the ♭7th degree (B). That single added note creates the defining tension of the dominant 7th chord.
What chords go well with D♭7?
Chords from the same key sound most natural alongside D♭7. Use the scale explorer to explore the full set of diatonic chords in the keys where D♭7 appears, and the circle of fifths to find harmonically adjacent chords.