F# add2/C#
The F# add2 chord consists of the F# (Perfect unison), G# (Major second), A# (Major third) and C# (Perfect fifth) notes, with C# as the bass note.

How to play the F# add2/C# chord
- Play C# as the lowest bass note in the left hand
- Find F# (Root) on the piano keyboard
- Add G# (Major second) — 2 semitones above F#
- Add A# (Major third) — 4 semitones above F#
- Add C# (Perfect fifth) — 7 semitones above F#
- Press all 5 notes simultaneously to sound the F# add2/C# chord