How to Play F#add9 on Piano
The F# Add 9 chord sounds bright and open. It stacks 4 notes: F# – A# – C# – G#.
A plain major triad with a ninth added and no seventh. The gap where the seventh would be is what keeps it sounding clear rather than jazzy.
Notes in F#add9
| Note | Interval | Finger |
|---|---|---|
| F#F#4 | Root | 1 |
| A#A#4 | Major 3rd | 2 |
| C#C#5 | Perfect 5th | 3 |
| G#G#5 | Major 9th | 5 |
How to Play
Right Hand
Place your thumb (finger 1) on F#. Use finger 2 on A#, finger 3 on C#, and finger 5 on G#.
Where it sits
Every note of this chord is a black key, so the whole shape sits back from the front edge of the keyboard.
Press all 4 keys at the same time. Keep your wrist relaxed and your fingers curved. The blue dots on the piano below show exactly which keys to press — they turn green when you play the right note.