The F♯ Major 7♭5 chord is a four-note chord made up of F♯, A♯, C, and E♯.
Construction
| Note | Interval | Degree |
|---|---|---|
| F♯ | Root | 1 |
| A♯ | Major 3rd | 3 |
| C | Diminished 5th | ♭5 |
| E♯ | Major 7th | 7 |
Key Signature
A chord has no key signature of its own, but the F♯ Major 7♭5 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: