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