Construction
G Add 9 = Root + Major 3rd + Perfect 5th + Major 2nd = G, B, D, A
| Note | Interval | Degree |
|---|---|---|
| G | Root | 1 |
| B | Major 3rd | 3 |
| D | Perfect 5th | 5 |
| A | Major 2nd | 2 |
How to Play the G Add 9
Right Hand (RH)
Place your right hand over the keys with the thumb on the root. Use the fingering: 1 – 2 – 3 – 5
Left Hand (LH)
For the left hand, start with your pinky on the root. Use the fingering: 5 – 3 – 2 – 1
G Add 9 Inversions
- Root positionG – B – D – A
- 1st inversion (Gadd9/B)B – D – G – A
- 2nd inversion (Gadd9/D)D – G – A – B
- 3rd inversion (Gadd9/G)G – A – B – D
Same Notes, Other Names
The notes G – B – D – A aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell:
G Add 9 : Frequently Asked Questions
What is the G Add 9 chord on piano?
The G Add 9 chord contains the notes G – B – D – A. On piano, play these notes together to sound the chord.
What notes are in the G Add 9 chord?
The G Add 9 chord (Gadd9) contains four notes: G (root), B (major third), D (perfect fifth), and A (major ninth). No seventh, the ninth adds brightness and openness to the triad.
How does Gadd9 differ from G9?
Gadd9 has no seventh. G9 includes the minor seventh (F). Gadd9 sounds bright and open; G9 sounds bluesy and dominant.
How is Gadd9 used in music?
Gadd9 is one of the most popular chords in acoustic pop and rock. G Major is the most common guitar key, and adding the ninth creates the bright, jangly sound heard in countless hits.
What songs use add9 chords?
Wonderwall (Oasis) features Gadd9-like shapes prominently. Good Riddance (Green Day), Yellow (Coldplay), and many acoustic songs use add9 voicings for their bright, open quality.
How does Gadd9 differ from Gsus2?
Both contain G and A. Gadd9 keeps B (major third); Gsus2 replaces it. Gadd9 is major with colour; Gsus2 is ambiguous.
Can I substitute Gadd9 for G Major?
Yes: Gadd9 replaces G Major beautifully in pop, rock, and folk. It is one of the most common substitutions in modern music.