E♭ Add 9
Also known as D♯ Add 9
Same keys, different spelling.
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E♭add9
E♭ – G – B♭ – F
Formula:R-M3-P5-M9
Intervals:P1-M3-P5-M9
Scale Degrees:1-3-5-9
Introduction
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.
Notes
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♭ – G – B♭ – F |
Key Signature
The key of Eb Add 9 has 3 flats.
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 diatonic triads built on each degree of the E♭ major scale:
C
D
E
F
G
A
B
C
D
E
F
G
A
B
I — E♭ Major (major)
Theory: Intervals
Formula: R-M3-P5-M9
Intervals: P1-M3-P5-M9
The E♭ Add 9 is built by stacking intervals from the root note. The formula R-M3-P5-M9 describes the scale degrees used. The intervals P1-M3-P5-M9 show the distance between each note in the chord.
E♭ Add 9 — Frequently Asked Questions
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.
Practice Tips
- Play Eb Major then add F above — hear the shimmer the ninth adds.
- Compare Ebadd9 with Ebsus2 — the major third (G) gives Ebadd9 its definite major quality.
- Ebadd9 works well in R&B and gospel — try it with a syncopated left-hand bass pattern.
- Practice substituting Ebadd9 for Eb Major in jazz standards for modern colour.
- The voicing Eb–G–Bb–F has a bright, open ring that suits ballad intros.
- Try Ebadd9 → Abmaj7 for a warm, sophisticated two-chord movement.
Related Tools
Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.