Faug

F Augmented — a raised fifth pushes this triad upward — a classic passing colour between stable chords.

The keys
C4C5C6
F – A – C♯
What's inside Faug
NoteInterval from rootDegree
FRoot1
AMajor 3rd3
C♯Augmented 5th#5
Inversions
PositionKeys (low → high)
Root positionF4 – A4 – D♭5
1st inversionA4 – D♭5 – F5
2nd inversionD♭5 – F5 – A5
A working voicing

Split the chord between two hands the way working players do — a solid shell low down, the colour tones up top:

HandKeys
Left (shell)F2 – F3
Right (colour)A4 – D♭5
Where Faug lives

As the I chord

Faug → B♭ → C → Faug

The classic I–IV–V–I motion with this chord as home.

In a ii–V–I

Gm7 → C7 → Faug

The strongest cadence in harmony, resolving onto this chord.

Put Faug under your fingers

Hear every voicing, see the keys light up, and drill it in the interactive Chord & Voicing Lab.

Open the Chord & Voicing Lab →