G7
G Dominant 7th
1 3 5 ♭7
Notes in G7
GR
B3
D5
F♭7
The G7 chord contains 4 notes: G, B, D, F
Intervals
| Interval | Semitones | Note | Function |
|---|---|---|---|
| R | 0 | G | Root |
| 3 | 4 | B | Major 3rd |
| 5 | 7 | D | Perfect 5th |
| ♭7 | 10 | F | Minor 7th |
About G Dominant 7th Chords
Dominant 7th chords add a flatted 7th to a major triad, creating tension that wants to resolve. They're the backbone of blues, jazz, funk, and rock. In a standard key, the dominant 7th chord built on the 5th degree naturally resolves to the I chord.
Compatible Scales & Modes
These scales contain all the notes of G7 and can be used for soloing, improvising, and writing melodies over this chord.
G Mixolydian
The primary scale for dominant 7th chords — defines blues, rock, and jazz sounds.
G Blues Scale
Minor pentatonic plus the ♭5 'blue note.' Essential for blues soloing over dominant chords.
G Mixolydian ♭9♭13 (Phrygian Dominant)
Used over dominant chords resolving to minor — common in flamenco and jazz.