Root position F♯add9
F♯ – A♯ – C♯ – G♯
Right hand 1-2-3-5Left hand 5-4-3-1
F♯add9 F♯ A♯ C♯ G♯ Formula 1 3 5 9 4 notes
Also written G♭ add9: the same keys under another name.
The F♯add9 chord has 4 notes: F♯, A♯, C♯, G♯. The major triad plus the ninth (the second, an octave up): played close, the ninth sits right above the fifth.
| Note | Interval from the root | Half steps |
|---|---|---|
| F♯ | Root | 0 |
| A♯ | Major 3rd | 4 |
| C♯ | Perfect 5th | 7 |
| G♯ | Major 9th | 14 |
The same notes in a different order. The lowest note changes the name after the slash; the fingering below is the usual one - right hand from the lowest key up, left hand from the lowest key up too.
F♯ – A♯ – C♯ – G♯
Right hand 1-2-3-5Left hand 5-4-3-1
A♯ – C♯ – F♯ – G♯
Right hand 1-2-3-5Left hand 5-4-3-1
C♯ – F♯ – A♯ – G♯
Right hand 1-2-3-5Left hand 5-4-3-1
Every key where F♯add9 is one of the seven chords, with its Roman numeral, and the scales whose notes include all of it - the ones to improvise over it.
F♯add9 is not a diatonic chord of any major or natural minor key.
The F♯add9 chord (F♯add9) is made of F♯, A♯, C♯, G♯. Its formula is 1 3 5 9 - the root, then the intervals of a add 9 chord.
Put your right thumb on F♯ and play the other notes with fingers 1-2-3-5. With the left hand, use fingers 5-4-3-1 from the lowest key up.
root position F♯add9 (F♯ A♯ C♯ G♯); 1st inversion F♯add9/A♯ (A♯ C♯ F♯ G♯); 2nd inversion F♯add9/C♯ (C♯ F♯ A♯ G♯).
On the piano, yes: the same keys. The name changes with the key you are in - sharps in sharp keys, flats in flat keys.
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