7b5 Chord on guitar
A 7b5 chord is a dominant 7th chord with a flat fifth, a tense jazz dominant with a whole tone sound.
| Written as | C7b5 |
|---|---|
| Formula | 1 3 b5 b7 |
| Notes in C | C E Gb Bb |
| Semitones from the root | 0, 4, 6, 10 |
About the 7b5 Chord
G7b5 is G, B, Db and F.
It has two tritones, so it shares its notes with the 7b5 chord a tritone away: Db7b5.
Use it as a V chord that resolves to the I chord, or as a passing chord.
Intervals
- 1: Root, 0 semitones above the root
- 3: Major 3rd, 4 semitones above the root
- b5: Tritone, 6 semitones above the root
- b7: Minor 7th, 10 semitones above the root
7b5 Chord charts in all 12 keys
Each chart shows the strings from the thick low E on the left to the thin high e on the right. Numbers in the dots are fingers: 1 index, 2 middle, 3 ring, 4 little, T thumb. × marks a muted string and ○ an open one. A bar across strings is a barre.
C7b5: C E Gb Bb
G7b5: G B Db F
D7b5: D F# Ab C
A7b5: A C# Eb G
E7b5: E G# Bb D
B7b5: B D# F A
F#7b5: F# A# C E
Db7b5: Db F G Cb
Ab7b5: Ab C D Gb
Eb7b5: Eb G A Db
Bb7b5: Bb D Fb Ab
F7b5: F A Cb Eb
Scales to play over C7b5
Each of these scales, started on C, holds every note of the chord:
- C Lydian Minor
- C Arabian (Major Locrian)
- C Magen Avot
- C Taishikicho
- C Hungarian Major
- C Oriental 2
- C Oriental Scale
- C Spanish Eight Tone
- C Prometheus Scale
- C Prometheus Neapolitan
- C Blues Scale with Both Thirds
- C Chromatic Blues Scale
- C Mixo-Blues Scale
- C Whole Tone Scale
- C Leading Whole Tone
- C Diminished (Half Whole)
- C Diminished Whole Tone
- C Enigmatic Scale
- C Overtone (Lydian Dominant)