Db7b5
Db 7b5
Octaves
Musical context
How the chord relates to the scale, mode, key and progression.
Theory
General info
- Full name
- Db 7b5
- Symbol
- Db7b5
- Root
- Db
- Quality
- 7b5
Chord notes
1Dbroot
3Fmajor 3rd
b5Gdim 5th
b7Cbminor 7th
Functions & resolutions
- Typical function in key
- IV
- Stability / tension
- High tension — requires resolution
- Unstable degrees
- 3F4Gbresolves up to the resolution tonic4Gbb5Gresolves inward to the resolution tonic6Bbb7Bresolves down to the tonic 3rd
- Main resolution
- Dominant 7th Db7 naturally resolves up a 4th to Gb. It is the tritone between the chord's 3rd and 7th that creates this pull.
- Other resolutions
- Instead of the tonic, the dominant resolves to the vi degree. Creates surprise and is often used to extend a musical phrase.In rock and blues, the dominant often moves to bVII or IV instead of the tonic, creating a modal flavor.Tritone substitution: Db7 can be replaced by G7 (a tritone away). Both chords share the same tritone between the 3rd and 7th, resolving to the same tonic.The dominant can resolve beyond the tonic: moving to IV (subdominant) or to a suspension (sus4) are common alternatives in pop and folk music.
Substitutions
- Tritone substitution
Features
- Character
- Dominant, with a diminished 5th
- Characteristic interval
- Diminished 5th (b5), Minor 7th (b7)
- Description
- The diminished fifth replaces the perfect fifth, adding a tritone to the dominant tension. Sharper than a regular dom7.
- Application
- Tritone substitution
- Jazz ii-V-I
- Altered blues
Voicing & structure
Root position
v1Db(Db4)Bass
v2F(F4) M3from Db
v3G(G4) M2from F
v4Cb(Cb4) M3from G
Harmony
Compatible scales
All chord tones are contained in these scales — use them for improvisation.
This chord on guitar 🎸
See how Db7b5 looks on guitar.
Circle of fifths
Highlighted major keys contain this chord among their diatonic harmonies.
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Practice
Keyboard Trainer
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