C# 7(sus4)(add13)

The C# 7(sus4)(add13) chord consists of the C# (Perfect unison), F# (Perfect fourth), G# (Perfect fifth), B (Minor seventh) and A# (Major thirteenth) notes.

Piano keyboard showing the notes for a C# 7(sus4)(add13) chord

How to play the C# 7(sus4)(add13) chord

  1. Find C# (Root) on the piano keyboard
  2. Add F# (Perfect fourth) — 5 semitones above C#
  3. Add G# (Perfect fifth) — 7 semitones above C#
  4. Add B (Minor seventh) — 10 semitones above C#
  5. Add A# (Major thirteenth) — 21 semitones above C#
  6. Press all 5 notes simultaneously to sound the C# 7(sus4)(add13) chord

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