G Major 7th
Introduction
Notes
G Major 7th Inversions
| Position | Notes |
|---|---|
| Root Position | G4 – B4 – D5 – F#5 |
| 1st Inversion | B4 – D5 – F#5 – G5 |
| 2nd Inversion | D5 – F#5 – G5 – B5 |
| 3rd Inversion | G4 – B4 – D5 – F#4 |
Key Signature
The key of G Major 7th has 1 sharp: F♯.
Theory: Intervals
The G Major 7th is built by stacking intervals from the root note. The formula R-M3-P5-M7 describes the scale degrees used. The intervals P1-M3-P5-M7 show the distance between each note in the chord.
G Major 7th — Frequently Asked Questions
What notes are in the G Major 7th chord?
The G Major 7th chord (Gmaj7) contains four notes: G (root), B (major third), D (perfect fifth), and F# (major seventh). The major seventh gives this chord its warm, dreamy, resolved quality.
How does G Major 7th differ from G Dominant 7th?
Both contain G, B, and D. The difference is the seventh: Gmaj7 has F# (major seventh) while G7 has F (minor seventh). Gmaj7 sounds lush and settled; G7 sounds tense and wants to resolve to C Major.
How is G Major 7th used in music?
Gmaj7 is the I chord in jazz harmony in G Major and the IV chord in D Major. G Major is one of the most common keys in popular music, making Gmaj7 one of the most frequently used major 7th chords in folk-jazz, singer-songwriter, and acoustic music.
What genres commonly use Major 7th chords?
Major 7th chords are foundational in jazz, bossa nova, neo-soul, R&B, city pop, and lo-fi hip-hop. They also appear in classical impressionism and sophisticated pop. The dreamy quality is a signature of harmonically rich music.
What songs use Major 7th chords?
Major 7th chords appear in The Girl from Ipanema (Jobim), Don't Know Why (Norah Jones), and countless jazz standards. Stevie Wonder's catalogue is filled with major 7th voicings. Gmaj7 is especially common in acoustic and folk-influenced jazz.
Can I substitute G Major 7th for G Major?
Yes — Gmaj7 can replace G Major for added sophistication. The exception is when the melody sits on G, since the F#–G semitone can create a clash. As the IV chord in D Major, Gmaj7 is a particularly beautiful substitution.
Practice Tips
- Play G Major then add F# — hear the dreamy warmth that transforms a simple triad into a jazz chord.
- Compare Gmaj7 with G7 — one semitone (F# vs F) makes the difference between home and departure. Gmaj7 rests; G7 drives to C.
- Practice Gmaj7 in the jazz ii–V–I: Am7 → D7 → Gmaj7. G Major is a very common jazz key for this progression.
- Gmaj7 is the IV chord in D Major — try Dmaj7 → Gmaj7 for a beautiful, warm two-chord vamp common in folk-jazz.
- Try spread voicings: G–D–F#–B for a more spacious, modern sound that works in contemporary arrangements.
- Gmaj7 has a distinctive physical shape — three white keys plus one black key (F#). Use the tactile feel as a memory anchor.