C♯add9
Add 9 · C♯ – E♯ – G♯ – D♯
- C♯R
- E♯3
- G♯5
- D♯9
hear it, browse voicings, or tap notes to name any chord
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the C♯add9 chord
The C♯add9 chord (add 9) is made up of 4 notes — C♯ is the root, E♯ the major third, G♯ the perfect fifth and D♯ the ninth. A major triad simply gains a ninth on top — there is no seventh, so it stays bright and clear.
On guitar, C♯add9 chords sit higher up the neck: x41121, around the 1st fret. Leave the low E string out and strum the rest. The diagrams above show 4 playable voicings in all.
Add-nine chords stack a ninth on a plain triad for a bright, modern shimmer without a seventh.
Common questions
- What notes are in the C♯add9 chord?
- The C♯add9 chord contains the notes C♯, E♯, G♯ and D♯.
- How do you play C♯add9 on guitar?
- A common shape is x41121. The diagrams above show 4 playable voicings you can strum or hear.
- What intervals make up the C♯add9 chord?
- The C♯add9 chord is built from the root (C♯), a major third (E♯), a perfect fifth (G♯) and a ninth (D♯).
- Is C♯add9 the same as D♭add9?
- Yes — C♯ and D♭ are two names for the same pitch (enharmonic equivalents), so C♯add9 and D♭add9 are the same chord. MobileChords spells it C♯add9.
More than a chord chart
The chart above is just the start. Open C♯add9 in the finder to hear it on guitar and piano and browse every playable voicing side by side. Or switch to Name my chord — tap frets or keys and MobileChords identifies the chord you're playing, inversions and slash chords included.