G♭ Major 7th
Also Known As
Hear the G♭ Major 7th chord played for you.
G♭maj7
G♭ – B♭ – D♭ – F
Formula:R-M3-P5-M7
Intervals:P1-M3-P5-M7
Scale Degrees:1-3-5-7
Introduction
The G♭ Major 7th chord is a four-note chord made up of G♭, B♭, D♭, and F. It is built from a root, major third, perfect fifth, and major seventh.
The Gb Major 7th piano chord (Gbmaj7) consists of the notes Gb, Bb, Db, F. It is a major triad with an added major 7th, giving it a dreamy, sophisticated, and jazzy sound. Formula: R-M3-P5-M7 | Scale degrees: 1-3-5-7.
Notes
G♭ Major 7th Inversions
| Position | Notes |
|---|---|
| Root Position | Gb – Bb – Db – F |
| 1st Inversion | Bb – Db – F – Gb |
| 2nd Inversion | Db – F – Gb – Bb |
| 3rd Inversion | Gb – Bb – Db – F |
Key Signature
The key of Gb Major 7th has 6 flats.
B♭E♭A♭D♭G♭C♭
Order of flats
Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of Gb Major
These are the diatonic triads built on each degree of the Gb major scale:
C
D
E
F
G
A
B
C
D
E
F
G
A
B
I — G♭ Major (major)
Theory: Intervals
Formula: R-M3-P5-M7
Intervals: P1-M3-P5-M7
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 Gb Major 7th chord?
The Gb Major 7th chord (Gbmaj7) contains four notes: Gb (root), Bb (major third), Db (perfect fifth), and F (major seventh). The major seventh interval gives this chord its dreamy, lush quality.
How does Gb Major 7th differ from Gb Dominant 7th?
Both contain Gb, Bb, and Db. The difference is the seventh: Gbmaj7 has F (major seventh) while Gb7 has Fb/E (minor seventh). Gbmaj7 sounds warm and resolved; Gb7 sounds tense and pulls toward Cb Major.
How is Gb Major 7th used in music?
Gbmaj7 is the I chord in jazz harmony in Gb Major. While Gb Major is less common than its enharmonic equivalent F# Major, Gbmaj7 appears in jazz standards and R&B where flat-key notation is preferred, especially for horn arrangements.
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 across many keys.
Can I substitute Gb Major 7th for Gb Major?
Yes — Gbmaj7 can replace Gb Major for added warmth in most contexts. The exception is when the melody sits on Gb, since the F–Gb semitone can create a clash.
Practice Tips
- Play Gb Major then add F — hear the dreamy warmth the major seventh brings.
- Compare Gbmaj7 with Gb7 — one semitone difference (F vs Fb) creates completely different harmonic functions.
- Practice the jazz ii–V–I in Gb: Abm7 → Db7 → Gbmaj7. Hearing this in flat keys builds fluency.
- Gbmaj7 and F#maj7 are enharmonic equivalents — practice both spellings to strengthen your key literacy.
- Try spread voicings: Gb–Db–F–Bb for a more open, modern sound.
- The all-black-keys plus F shape of Gbmaj7 makes it physically distinctive on the keyboard — use the feel of the keys as a memory anchor.
Related Tools
Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.