Aadd9
A Add 9
1 3 5 9
Notes in Aadd9
AR
C♯3
E5
B9
The Aadd9 chord contains 4 notes: A, C♯, E, B
Intervals
| Interval | Semitones | Note | Function |
|---|---|---|---|
| R | 0 | A | Root |
| 3 | 4 | C♯ | Major 3rd |
| 5 | 7 | E | Perfect 5th |
| 9 | 2 | B | Major 9th |
About A Add 9 Chords
Add9 chords are major triads with an added 9th (the 2nd, played an octave up). Unlike a full 9th chord, add9 doesn't include the 7th, giving it a cleaner, more pop-friendly sound. It adds sparkle and width without jazz complexity.
Compatible Scales & Modes
These scales contain all the notes of Aadd9 and can be used for soloing, improvising, and writing melodies over this chord.
A Ionian (Major Scale)
The 9th is simply the 2nd an octave up — major scale covers it naturally.
A Lydian
Adds extra color with the ♯4 on top of the add9 voicing.