C#m9 chord (C sharp minor ninth) on guitar
C#m9 (C sharp minor ninth) has five notes: C sharp, E, G sharp, B and D sharp. Its formula is 1, b3, 5, b7, 9. In major keys, C#m9 is the ii9 chord in B major and the vi9 in E major.
C#m9 chord shapes
Fingers: 4 on A, 1 on D, 2 on G.
Fingers: 4 on E, 1 on A, 2 on D, 3 on G.
Fingers: 4 on E, 1 on A, 2 on D, 3 on G.
Fingers: 1 on A, 4 on D, 2 on G, 3 on B.
Fingers: 3 on E, 1 on A, 4 on D, 2 on G.
Finger 1 barres fret 9, then 3 on A, 4 on e.
Hear it and see every shape in ScaleSpace →
| Symbol | C#m9 |
|---|---|
| Also written | C#min9, C#-9 |
| Notes | C# E G# B D# |
| Formula | 1 b3 5 b7 9 |
| Intervals | root, minor third, perfect fifth, minor seventh, major second |
| Type | Minor ninth chord |
C#m9 across the neck
Guitar · 6-string, tuned low to high: E, A, D, G, B, e. 24 frets.
- E string: fret 0 E (flat 3), fret 4 G# (5), fret 7 B (flat 7), fret 9 C# (1), fret 11 D# (9), fret 12 E (flat 3), fret 16 G# (5), fret 19 B (flat 7), fret 21 C# (1), fret 23 D# (9), fret 24 E (flat 3).
- A string: fret 2 B (flat 7), fret 4 C# (1), fret 6 D# (9), fret 7 E (flat 3), fret 11 G# (5), fret 14 B (flat 7), fret 16 C# (1), fret 18 D# (9), fret 19 E (flat 3), fret 23 G# (5).
- D string: fret 1 D# (9), fret 2 E (flat 3), fret 6 G# (5), fret 9 B (flat 7), fret 11 C# (1), fret 13 D# (9), fret 14 E (flat 3), fret 18 G# (5), fret 21 B (flat 7), fret 23 C# (1).
- G string: fret 1 G# (5), fret 4 B (flat 7), fret 6 C# (1), fret 8 D# (9), fret 9 E (flat 3), fret 13 G# (5), fret 16 B (flat 7), fret 18 C# (1), fret 20 D# (9), fret 21 E (flat 3).
- B string: fret 0 B (flat 7), fret 2 C# (1), fret 4 D# (9), fret 5 E (flat 3), fret 9 G# (5), fret 12 B (flat 7), fret 14 C# (1), fret 16 D# (9), fret 17 E (flat 3), fret 21 G# (5), fret 24 B (flat 7).
- e string: fret 0 E (flat 3), fret 4 G# (5), fret 7 B (flat 7), fret 9 C# (1), fret 11 D# (9), fret 12 E (flat 3), fret 16 G# (5), fret 19 B (flat 7), fret 21 C# (1), fret 23 D# (9), fret 24 E (flat 3).
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Questions
What notes are in the C#m9 chord?
C#m9 (C sharp minor ninth) has five notes: C sharp, E, G sharp, B and D sharp. Its formula is 1, b3, 5, b7, 9. C# is the root, E is the minor third, G# is the perfect fifth, B is the minor seventh and D# is the major second.
How do you play C#m9 on guitar?
The easiest shape is x41100. Fingers: 4 on A, 1 on D, 2 on G.
What key is C#m9 in?
In major keys, C#m9 is the ii9 chord in B major and the vi9 in E major. It is diatonic to those keys, so it fits songs in any of them.
What is the difference between C#m9 and C#m7?
C#m9 is C#m7 (C#, E, G# and B) with D#, the 9th, added.