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Gadd9 chord (G added ninth) on piano

Gadd9 (G added ninth) has four notes: G, B, D and A. Its formula is 1, 3, 5, 9. In major keys, Gadd9 is the Iadd9 chord in G major, the IVadd9 in D major and the Vadd9 in C major.

Gadd9 inversions and fingering

GABD
Root position
G A B D · RH 1-2-3-5 · LH 5-4-2-1
ABDG
First inversion
A B D G · RH 1-2-3-5 · LH 5-4-2-1
BDGA
Second inversion
B D G A · RH 1-2-4-5 · LH 5-3-2-1
DGAB
Third inversion
D G A B · RH 1-2-4-5 · LH 5-3-2-1

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Gadd9 chord facts
SymbolGadd9
Also writtenGadd2
NotesG B D A
Formula1 3 5 9
Intervalsroot, major third, perfect fifth, major second
TypeAdded ninth chord

Gadd9 across the keyboard

C3C4C5D5G1A9B3D5G1A9B3

Piano, C3 to C5. Notes in this scale, low to high: D3 (5), G3 (1), A3 (9), B3 (3), D4 (5), G4 (1), A4 (9), B4 (3).

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Questions

What notes are in the Gadd9 chord?

Gadd9 (G added ninth) has four notes: G, B, D and A. Its formula is 1, 3, 5, 9. G is the root, B is the major third, D is the perfect fifth and A is the major second.

How do you play Gadd9 on piano?

Play G, B, D and A together. Root position: G A B D · RH 1-2-3-5 · LH 5-4-2-1.

What key is Gadd9 in?

In major keys, Gadd9 is the Iadd9 chord in G major, the IVadd9 in D major and the Vadd9 in C major. It is diatonic to those keys, so it fits songs in any of them.

What is the difference between Gadd9 and G9?

Gadd9 is G9 (G, B, D, F and A) without F, the flat 7th.