G Major Seventh Chord

Chord Tones: G Major Seventh Chord

Symbol: maj7, M7, △7 — Formula: 1-3-5-7

DegreeNoteFrequency (A=440, Equal)
1 G 391.995 Hz
3 B 493.883 Hz
5 D 293.665 Hz
7 F# 369.994 Hz

Chord Notation

Notation TypeSymbol / Value
Lead Sheet SymbolGmaj7
All Common Symbolsmaj7, M7, △7
Interval Formula1-3-5-7
Harmonic Categorymildly dissonant

Roman numeral (e.g. I, IV, V) and Nashville Number notation are key-dependent. See Keys pages for chord function within specific keys.

Inversions

InversionNotes (low to high)Bass NoteSlash Notation
Root Position G B D F# G G Major Seventh Chord
First Inversion B D F# G B G Major Seventh Chord/B
Second Inversion D F# G B D G Major Seventh Chord/D
Third Inversion F# G B D F# G Major Seventh Chord/F#

Harmonic Function

The G major seventh chord commonly functions as the dominant (V) in C major — strongest resolution point. Its harmonic role varies by key — in major keys it provides extended harmonic tension.

The major seventh chord adds a major seventh to the major triad, creating a lush, sophisticated sound. It is central to jazz harmony and gives a dreamy, unresolved brightness.

Common Progressions

The G Major Seventh Chord frequently appears in these progression patterns (shown in Roman numeral notation relative to key):

Songs Featuring the Major Seventh Chord

Well-known songs where the G Major Seventh Chord — or this chord type — plays a prominent role:

Tuning Frequencies Across Temperaments

Frequencies shown at A=440 Hz. View full temperament data for any note.

NoteEqual Temp.PythagoreanJust Intonation
G 391.995 Hz 391.111 Hz 392.438 Hz
B 493.883 Hz 495.000 Hz 490.548 Hz
D 293.665 Hz 293.332 Hz 294.329 Hz
F# 369.994 Hz 371.251 Hz 367.911 Hz

Scales Containing the G Major Seventh Chord

These scales include the G Major Seventh Chord as a diatonic or characteristic chord: