The E♭ Add 9 chord is a four-note chord made up of E♭, G, B♭, and F. It is built from a root, major third, perfect fifth, and major ninth.
Construction
E♭ Add 9 = Root + Major 3rd + Perfect 5th + Major 2nd = E♭ · G · B♭ · F
| Note | Interval | Degree |
|---|---|---|
| E♭ | Root | 1 |
| G | Major 3rd | 3 |
| B♭ | Perfect 5th | 5 |
| F | Major 2nd | 2 |
E♭ Add 9 Inversions
| Position | Notes |
|---|---|
| Root Position | E♭ – G – B♭ – F |
| 1st Inversion | G – B♭ – E♭ – F |
| 2nd Inversion | B♭ – E♭ – F – G |
| 3rd Inversion | E♭ – F – G – B♭ |
Key Signature
A chord has no key signature of its own, but the E♭ Add 9 is the tonic (I) chord of Eb Major, whose key signature has 3 flats (B♭, E♭, A♭).
B♭E♭A♭
Order of flats
Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of E♭ Major
These are the triads built on each degree of the E♭ major scale:
Same Notes, Other Names
The notes E♭ – G – B♭ – F aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell:
E♭ Add 9 — Frequently Asked Questions
What is the E♭ Add 9 chord on piano?
The E♭ Add 9 chord contains the notes E♭ – G – B♭ – F. On piano, play these notes together to sound the chord.
What notes are in the Eb Add 9 chord?
The Eb Add 9 chord (Ebadd9) contains four notes: Eb (root), G (major third), Bb (perfect fifth), and F (major ninth). No seventh — the ninth is added to the triad for a bright, open quality.
How does Ebadd9 differ from Eb9?
Ebadd9 has no seventh. Eb9 includes the minor seventh (Db). Ebadd9 is open and shimmering; Eb9 is dominant and bluesy.
How is Ebadd9 used in music?
Ebadd9 substitutes for Eb Major to add shimmer. Eb is a common key for jazz and brass, so Ebadd9 appears in pop, R&B, and gospel arrangements.
What songs use add9 chords?
Add9 chords appear in Wonderwall (Oasis), Good Riddance (Green Day), Yellow (Coldplay), and countless pop and rock songs.
How does Ebadd9 differ from Ebsus2?
Both contain Eb and F. Ebadd9 keeps G (major third), while Ebsus2 replaces it. Ebadd9 is major with colour; Ebsus2 is ambiguous.
Can I substitute Ebadd9 for Eb Major?
Yes — Ebadd9 replaces Eb Major in most contexts. The ninth adds colour without changing function.