Guitar Upscale7b13 Chord on guitar
A 7b13 chord is a dominant 7th chord with a flat thirteenth, a dark dominant that leads to a minor chord.
| Written as | C7b13 |
|---|---|
| Formula | 1 3 5 b7 b13 |
| Notes in C | C E G Bb Ab |
| Semitones from the root | 0, 4, 7, 10, 20 |
About the 7b13 Chord
E7b13 is E, G#, B, D and C.
The flat 13th falls a half step to the 5th of the next chord: C to B in E7b13 to Am.
Mixolydian b6 and harmonic minor from the 5th fit over it.
Intervals
- 1: Root, 0 semitones above the root
- 3: Major 3rd, 4 semitones above the root
- 5: Perfect 5th, 7 semitones above the root
- b7: Minor 7th, 10 semitones above the root
- b13: Flat 13th, 20 semitones above the root
7b13 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.
C7b13: C E G Bb Ab
G7b13: G B D F Eb
D7b13: D F# A C Bb
A7b13: A C# E G F
E7b13: E G# B D C
B7b13: B D# F# A G
F#7b13: F# A# C# E D
Db7b13: Db F Ab Cb A
Ab7b13: Ab C Eb Gb Fb
Eb7b13: Eb G Bb Db Cb
Bb7b13: Bb D F Ab Gb
F7b13: F A C Eb Db
Scales to play over C7b13
Each of these scales, started on C, holds every note of the chord: