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Chord · Eadd9

Eadd9 Chord

Eadd9 is E, G#, B and F#major triad with an added 9th; pop and folk staple.

Hear it

Eadd9 on every instrument

The same 4 notes, 4 sets of hands. Open a diagram for alternate shapes, audio and the mistakes to avoid.

231EADGBE
Guitar2 voicings
CDEFGAB
Piano3 voicings
7fr3214GCEA
Ukulele1 voicing
1234GDAE
Mandolin1 voicing

What Eadd9 is made of

Eadd9 (E add9) is built from the notes E, G#, B, F#, with the interval pattern 1, 3, 5, 9.

Stack 1, 3, 5 and 9 on a root of E and you get E, G#, B and F#. That interval recipe is what makes the chord an add9 chord — move the same shape to another root and the character travels with it, which is why Fadd9 sounds like a transposed Eadd9.

Add 9: Major triad with an added 9th; pop and folk staple.

Spelling: the notes above are written the way a score would write them, not simplified to the nearest piano key. That is why this chord is spelled with G rather than its enharmonic equivalent.

Keys that contain Eadd9

All 4 notes sit inside the scale of 8 keys. The roman numeral marks the degree the chord is rooted on.

Other chords on E

Same root, different colour.

The same add9 shape, moved

The identical interval recipe, built on other roots.

Questions people ask about Eadd9

What notes are in the Eadd9 chord?
Eadd9 is made of E, G#, B and F# — the 1, 3, 5 and 9 degrees of an add9 chord built on E.
What keys use the Eadd9 chord?
Every note of Eadd9 belongs to 8 keys: A Major (V), E Major (I), B Major (IV), Cb Major (IV), F# Minor (VII), C# Minor (III), G# Minor (VI), Ab Minor (VI). The roman numeral is the scale degree the chord is rooted on.
How do you play Eadd9 on guitar and piano?
This page shows Eadd9 on guitar, piano, ukulele and mandolin — 7 voicings in total. Each diagram links to the full instrument page with alternate shapes, audio and common mistakes.
Is Eadd9 the same as Eadd9?
Yes. Eadd9 and Eadd9 are enharmonic — identical pitches written two different ways. Which spelling you use depends on the key you are in; Eadd9 is the spelling this site treats as canonical.

Learn the theory behind it

Why Eadd9 behaves the way it does — the guides that explain the chord instead of just spelling it.

Chord Inversions and Slash Chords — Same Notes, Different AttitudeSuspending or adding a tone is a voicing decision, the same kind as an inversion or a slash chord.5 min readChord Progressions ExplainedThese chords earn their keep inside a progression, leaning on the plain chord that follows.7 min readIntervals — The Only Music Theory You Actually NeedWhich degree got swapped in, and what that one interval changes.5 min read