G13 Dominant 7th
The G13 chord is built from the notes G – B – D – F – A – C – E.
Piano sound loads on first tap.
Chord tones, one by one
GRoot
Root
The fundamental note the chord is built on — G.
BThird
Major third
Four semitones — makes the chord major (brighter, happier).
DFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
FSeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
AExtension
Ninth (9)
A 9th — colorful extension a whole step above the octave.
CExtension
Eleventh (11)
An 11th — a suspended, airy color on top of the chord.
EExtension
Thirteenth (13)
A 13th — full, rich top extension.
🎼 Related scales
🎹 Modal analysis
This chord implies the Mixolydian scale; its characteristic note is the minor 7th (♭7).
🎸 Genres
Blues · Rock · Funk · Gospel