F# Add9 Chord on Piano
The F# Add9 chord contains F#, A♭, B♭ and D♭ — 4 notes. Every one is marked across three octaves of the keyboard below, labelled with note names and with interval numbers.
- Root
- Major 2nd
- Major 3rd
- Perfect 5th
| Degree | 1 | 2 | 3 | 5 |
|---|---|---|---|---|
| Note | F# | A♭ | B♭ | D♭ |
| Interval | Root | Major 2nd | Major 3rd | Perfect 5th |
Note names
Interval numbers
Scales containing F# Add9
| Major (Ionian) | D♭ F# B |
| Natural Minor (Aeolian) | E♭ A♭ B♭ |
| Dorian | D♭ E♭ A♭ |
| Phrygian | E♭ F B♭ |
| Lydian | E F# B |
| Mixolydian | D♭ F# A♭ |
| Locrian | C F B♭ |
| Harmonic Lydian (Lydian ♭6) | D F# |
| Melodic Minor | D♭ B |
| Melodic Minor ♯4 | B |
| Major Pentatonic | F# |
| Minor Pentatonic | E♭ |
| Dominant Pentatonic (Mixolydian Pentatonic) | F# |
| Minor Sixth Pentatonic | D♭ |
| Blues | E♭ |
| Tcherepnin (M3) | C E A♭ |
Circle of fifths
Frequently asked questions
What notes are in the F# Add9 chord?
F#, A♭, B♭ and D♭. That is 4 notes.
How is the F# Add9 chord built?
From a root of F#: A♭ is the major 2nd, B♭ is the major 3rd and D♭ is the perfect 5th.
Which scales contain the F# Add9 chord?
D♭ Major (Ionian), E♭ Natural Minor (Aeolian), D♭ Dorian and E♭ Phrygian, among others. Every note of the F# Add9 chord is in those, so they can be played over it.
Which smaller chords are inside the F# Add9 chord?
F# Major, F# Sus2, D♭ Sus4 and D♭ Power (5). Each uses only notes the F# Add9 chord already contains.
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