F♯ Major 9♯11
Reviewed for accuracy · Last updated July 2026 · Maintained by Justin Evans
G♭ Major 9♯11
Practice F♯ Major 9♯11
Reading about it is one thing. Drilling it is what makes it automatic.
Introduction
The F♯ Major 9♯11 chord is a six-note chord made up of F♯, G♯, A♯, B♯, C♯, and E♯.
Notes
Key Signature
A chord has no key signature of its own, but the F♯ Major 9♯11 is the tonic (I) chord of F# Major, whose key signature has 6 sharps (F♯, C♯, G♯, D♯, A♯, E♯).
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.
Mnemonic: Father Charles Goes Down And Ends Battle
Chords in the Key of F♯ Major
These are the triads built on each degree of the F♯ major scale:
F♯ Major 9♯11 — Frequently Asked Questions
What is the F♯ Major 9♯11 chord on piano?
Related Tools
References & Further Reading
The note names, intervals, fingering, and harmony on this chord page are grounded in the following sources. Public domain treatises and scores are linked to their full text; primary data reflects piano.org's own interval-derived dataset.
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piano.org(2024)
piano.org chord note dataset — 43 chord types × 18 keys, derived from interval construction rules
Primary data
Spot something that looks off? Use the note form below — corrections are reviewed by hand.
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