Construction
G Major 9th = Root + Major 3rd + Perfect 5th + Major 7th + Major 2nd = G, B, D, F♯, A
| Note | Interval | Degree |
|---|---|---|
| G | Root | 1 |
| B | Major 3rd | 3 |
| D | Perfect 5th | 5 |
| F♯ | Major 7th | 7 |
| A | Major 2nd | 9 |
How to Play the G Major 9th
Right Hand (RH)
Place your right hand over the keys with the thumb on the root. Use the fingering: 1 – 2 – 3 – 4 – 5
Left Hand (LH)
For the left hand, start with your pinky on the root. Use the fingering: 5 – 4 – 3 – 2 – 1
G Major 9th : Frequently Asked Questions
What is the G Major 9th chord on piano?
The G Major 9th chord contains the notes G – B – D – F♯ – A. On piano, play these notes together to sound the chord.
What notes are in the G Major 9th chord?
The G Major 9th chord (Gmaj9) contains five notes: G (root), B (major third), D (perfect fifth), F# (major seventh), and A (major ninth). It is Gmaj7 with an added ninth.
How does Gmaj9 differ from G9?
Gmaj9 has a major seventh (F#). G9 has a minor seventh (F). Gmaj9 is dreamy and resolved; G9 is dominant and drives to C.
How is Gmaj9 used in music?
Gmaj9 is a lush tonic in G Major and the IV chord in D Major. G is one of the most common keys, making Gmaj9 popular in folk-jazz, singer-songwriter, and acoustic music.
What songs use Major 9th chords?
Major 9th chords appear in neo-soul, jazz, and lo-fi. Gmaj9 is common in acoustic and folk-jazz contexts.
How does Gmaj9 differ from Gadd9?
Gmaj9 includes the major seventh (F#). Gadd9 has no seventh. Gmaj9 is warmer and more sophisticated.
Do I need to play all five notes?
No: drop the fifth: G–B–F#–A is the practical voicing.