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C♯ minor ninth chord
The C♯m9 chord (minor ninth) is made of the notes C♯, E, G♯, B, D♯. Its formula compared with the major scale is 1 ♭3 5 ♭7 9.
C♯m9
Ninths · 5 notes
Note names
How it is built
| Degree | Note | Interval from the root |
|---|---|---|
| 1 | C♯ | Unison |
| ♭3 | E | Minor third |
| 5 | G♯ | Perfect fifth |
| ♭7 | B | Minor seventh |
| 9 | D♯ | Major ninth |
Inversions
- C♯m9C♯ E G♯ B D♯Root position
Frequently asked questions
- Which notes make up the C♯m9 chord?
- The notes are C♯, E, G♯, B, D♯.
- What is the formula of the C♯m9 chord?
- The formula is 1 ♭3 5 ♭7 9: minor third, perfect fifth, minor seventh, major ninth.
From theory to practice
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