F#/C# on guitar: F sharp with C sharp in the bass
F#/C# is the F sharp major chord (F♯, A♯, C♯) with its 5th, C♯, as the lowest note: the 2nd inversion of F#. The notes are the same as in F#; only the one at the bottom changes.
- Notes
- F♯A♯C♯
- Bass
- C♯ 5th of the chord
How to play F#/C# on guitar
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Shape 1 · fret 2 · barre
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Shape 2 · fret 4 · barre
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Shape 3 · fret 9 · barre
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Shape 4 · fret 6
Where F#/C# shows up
The 5th in the bass is unstable and asks to move. The textbook use is the cadence: F#/C# → C#7 → F#, with the bass holding the same note through the first two chords (the "cadential six-four").
Other positions of F#
Frequently asked questions
What does F#/C# mean?
F#/C# reads "F# over C♯": you play F# and the lowest note is C♯. In a chord symbol, whatever comes after the slash is always the bass.
What is the difference between F#/C# and F#?
The notes are the same (F♯, A♯, C♯); only the lowest one changes. With C♯ in the bass, F# is in 2nd inversion, and the bass line can move by step between chords.
How do you play F#/C# on guitar?
The shapes on this page go from easiest to hardest. In all of them C♯ is the lowest note; the low strings that would sound below it are not played (x).