How to build a added ninth chord
An added-ninth chord is a major triad with a major 9th added but no 7th. It is a bright, open colour common in pop and rock guitar writing.
Look up any other chord with the Scale & Chord Finder.
Chord
F♯add9 chord
F♯add9 is a added ninth chord with the notes F♯, A♯, C♯, G♯. The same chord spelled from G♭ is G♭add9.
F♯1
A♯3
C♯5
G♯9
Intervals
| Note | Interval | Semitones |
|---|---|---|
| F♯ | root | 0 |
| A♯ | major 3rd | 4 |
| C♯ | perfect 5th | 7 |
| G♯ | major 9th | 14 |
Inversions
| Root position | F♯ – A♯ – C♯ – G♯ | |
| 1st inversion | A♯ – C♯ – G♯ – F♯ (F♯add9/A♯) | |
| 2nd inversion | C♯ – G♯ – F♯ – A♯ (F♯add9/C♯) | |
| 3rd inversion | G♯ – F♯ – A♯ – C♯ (F♯add9/G♯) |