Chord · Altered Dom.

F♯7♯5♭9 — F♯ Altered ♯5♭9

F♯7♯5♭9 is the F♯ altered ♯5♭9 chord. It is built on the root F♯ with major 3rd (A♯), augmented 5th (C𝄪), minor 7th (E) and minor 9th (G) above it — the formula 1 3 ♯5 ♭7 ♭9, sounding the notes F♯ A♯ C𝄪 E G. On the piano it sits at F# (octave 4) and above in the library's voicing; the same 5 notes in any octave are still F♯7♯5♭9.

Root
F♯
Quality
Altered ♯5♭9
Formula
1 3 ♯5 ♭7 ♭9
Notes
F♯ A♯ C𝄪 E G

On the keyboard

F♯7♯5♭9 on the piano keyboard: F♯ A♯ C𝄪 E GF♯A♯C𝄪EG

The notes of F♯7♯5♭9

DegreeNoteInterval from the rootPitch
1F♯rootF♯4
3A♯major 3rdA♯4
♯5C𝄪augmented 5thC♯♯5
♭7Eminor 7thE5
♭9Gminor 9thG5

Other altered dom. on F♯

Altered ♯5♭9 chords on every root

Part of the chord reference. See also the scales and the keys.