F♯madd9
F♯madd9
Notes
F♯ · A · C♯ · G♯
Intervals
- RootF♯ (1P)
- Minor 3rdA (3m)
- Perfect 5thC♯ (5P)
- Major 9thG♯ (9M)
Fretboard
Adjust labels, frets, and palette in the interactive view.
About
The F♯m(add9) (F♯–A–C♯–G♯) applies the same logic to a minor triad — the 9th is added directly, without a 7th, keeping the chord stable. The contrast between the dark A and the bright G♯ gives madd9 its distinctive emotional complexity. This is not a jazzy sound — the absence of the ♭7 keeps it direct and song-oriented, which is why it is common in ballads and alternative music. The A establishes the minor quality; the G♯ is the essential extension. The 5th can be dropped. Compared to F♯m9, madd9 is less harmonically fluid and more immediate.
Similar chords
Chords sharing two or more notes with this one, ranked by overlap.
Scales containing this chord
- F♯ Dorian (I)
- F♯ Harmonic Minor (I)
- F♯ Melodic Minor (I)
- F♯ Natural Minor (I)
- A Lydian (VI)
- A Major (VI)
- A♭ Locrian (VII)
- A♭ Phrygian (VII)
- B Dorian (V)
- B Mixolydian (V)
- D Lydian (III)
- D♭ Harmonic Minor (IV)
- D♭ Natural Minor (IV)
- D♭ Phrygian (IV)
- E Major (II)
- E Mixolydian (II)
- E♭ Blues (deg 2)
- E♭ Locrian (III)
Scales whose notes include every chord tone. The Roman numeral (or scale degree) marks the chord root’s position in the scale.