C# add9(no5)/C
The C# add9(no5) chord consists of the C# (Perfect unison), F (Major third) and D# (Major ninth) notes, with C as the bass note.
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How to play the C# add9(no5)/C chord
- Play C as the lowest bass note in the left hand
- Find C# (Root) on the piano keyboard
- Add F (Major third) — 4 semitones above C#
- Add D# (Major ninth) — 14 semitones above C#
- Press all 4 notes simultaneously to sound the C# add9(no5)/C chord