The E 9♯11 chord is a six-note chord made up of E, F♯, G♯, A♯, B, and D.
Construction
E 9♯11 = Root + Major 2nd + Major 3rd + Diminished 5th + Perfect 5th + Minor 7th = E · F♯ · G♯ · A♯ · B · D
| Note | Interval | Degree |
|---|---|---|
| E | Root | 1 |
| F♯ | Major 2nd | 9 |
| G♯ | Major 3rd | 3 |
| A♯ | Diminished 5th | ♭5 |
| B | Perfect 5th | 5 |
| D | Minor 7th | ♭7 |
Key Signature
A chord has no key signature of its own, but the E 9♯11 is the tonic (I) chord of E Major, whose key signature has 4 sharps (F♯, C♯, G♯, D♯).
F♯C♯G♯D♯
Order of sharps
Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.
F♯C♯G♯D♯A♯E♯B♯
Mnemonic: Father Charles Goes Down And Ends Battle
Chords in the Key of E Major
These are the triads built on each degree of the E major scale:
E 9♯11 — Frequently Asked Questions
What is the E 9♯11 chord on piano?
The E 9♯11 chord contains the notes E – F♯ – G♯ – A♯ – B – D. On piano, play these notes together to sound the chord.