F Dominant 7th Sharp 11
Listen plays the chord. Play Along lights up each note in order so you can follow.
Introduction

The F Dominant 7th Sharp 11 chord is a five-note chord made up of F, A, B, C, and E♭. It is built from a root, major third, augmented fourth, perfect fifth, and minor seventh.
Notes
Key Signature
The key of F Dominant 7th Sharp 11 has 1 flat.
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.
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of F Major
These are the diatonic triads built on each degree of the F major scale:
Theory: Intervals
The F Dominant 7th Sharp 11 is built by stacking intervals from the root note. The formula R-M3-A4-P5-m7 describes the scale degrees used. The intervals P1-M3-A4-P5-m7 show the distance between each note in the chord.
F Dominant 7th Sharp 11 — Frequently Asked Questions
What notes are in the F Dominant 7th Sharp 11 chord?
How does F7#11 differ from F7?
How does F7#11 differ from F11?
How is F7#11 used in music?
What scale matches F7#11?
What songs use 7#11?
Practice Tips
- Play F7 then add B — Lydian Dominant brightness.
- F7#11 as the IV7 in C Major is a classic jazz sound.
- The #11 (B) doesn't clash with the third (A).
- Lydian Dominant scale: F–G–A–B–C–D–Eb.
- Tritone sub for B7.
- Practice F7#11 → Bb resolution.