C# 7(alt)

The C# 7(alt) chord consists of the C# (Perfect unison), F (Major third), A (Minor sixth), B (Minor seventh) and E (Minor tenth) notes.

Piano keyboard showing the notes for a C# 7(alt) chord

How to play the C# 7(alt) chord

  1. Find C# (Root) on the piano keyboard
  2. Add F (Major third) — 4 semitones above C#
  3. Add A (Minor sixth) — 8 semitones above C#
  4. Add B (Minor seventh) — 10 semitones above C#
  5. Add E (Minor tenth) — 15 semitones above C#
  6. Press all 5 notes simultaneously to sound the C# 7(alt) chord

Related slash chords