Gadd9 chord
G added ninth
1 / 1
3
5
7
10
The Gadd9 chord has the formula 1, 3, 5, 9 with notes G, B, D, A
The added ninth chord can be built by taking a major chord and adding the 9th of the scale. It serves a similar purpose to the major chord, with the additional extension for color or harmonizing with other instruments.