The G 7♭13 chord is a five-note chord made up of G, B, D, F, and E♭. It is built from a root, major third, perfect fifth, minor seventh, and minor thirteenth.
Construction
G 7♭13 = Root + Major 3rd + Perfect 5th + Minor 7th + Minor 6th = G · B · D · F · E♭
| Note | Interval | Degree |
|---|---|---|
| G | Root | 1 |
| B | Major 3rd | 3 |
| D | Perfect 5th | 5 |
| F | Minor 7th | ♭7 |
| E♭ | Minor 6th | ♯5 |
Key Signature
A chord has no key signature of its own, but the G 7♭13 is the tonic (I) chord of G Major, whose key signature has 1 sharp (F♯).
F♯
Order of sharps
Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.
F♯C♯G♯D♯A♯E♯B♯
Mnemonic: Father Charles Goes Down And Ends Battle
Chords in the Key of G Major
These are the triads built on each degree of the G major scale:
G 7♭13 — Frequently Asked Questions
What is the G 7♭13 chord on piano?
The G 7♭13 chord contains the notes G – B – D – F – E♭. On piano, play these notes together to sound the chord.
What notes are in the G 7♭13 chord?
The G 7♭13 chord (G7♭13) contains 5 notes: G, B, D, F, Eb. Formula: R-M3-P5-m7-m13.
How is G7♭13 used in music?
G7♭13 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for G7♭13?
G7♭13 uses scale degrees 1-3-5-b7-b13, giving it its distinctive sound.