C♯m9
C♯m9 is the c# minor 9th chord, spelled C♯ – E – G♯ – B – D♯. a minor seventh deepened with the ninth — velvet texture that sits beautifully under melodies.
The keys
C♯ – E – G♯ – B – D♯
Practise this chord
Plug in your MIDI keyboard and let Coach Tshepho drill you on C♯m9 — it plays the chord, names any wrong notes as you play, and moves you on when you nail it.
Create your free account →What's inside C♯m9
| Note | Interval from root | Degree |
|---|---|---|
| C♯ | Root | 1 |
| E | Minor 3rd | b3 |
| G♯ | Perfect 5th | 5 |
| B | Minor 7th | b7 |
| D♯ | Major 9th | 9 |
A working voicing
Split the chord between two hands the way working players do — a solid shell low down, the colour tones up top:
| Hand | Keys |
|---|---|
| Left (shell) | D♭2 – B2 |
| Right (colour) | E4 – E♭5 |
Where C♯m9 lives
As the i chord
C♯m9 → A → B → C♯m9
The minor home base: i–VI–VII pulls away and lands back home.
In a ii–V–i
E♭m7♭5 → A♭7 → C♯m9
The minor two-five resolving into this chord as the destination.
Put C♯m9 under your fingers
Hear every voicing, see the keys light up, and drill it in the interactive Chord & Voicing Lab.
Open the Chord & Voicing Lab →More C# chords
C♯
C♯m
C♯dim
C♯aug
C♯sus2
C♯sus4
C♯6
C♯m6
C♯7
C♯maj7
C♯m7
C♯m7♭5
C♯dim7
C♯m(maj7)
C♯9
C♯maj9
C♯add9
C♯6/9
C♯m11
C♯13
C♯7♭9
C♯7♯9
C♯7♯5Play it over a groove
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