Ukulele · minor ninth
C♯m9 Chord on Ukulele
C# Minor 9th is C#, E, G#, B, D# — the 1-b3-5-b7-9 pattern of a minor ninth chord. Here is the shape, the audio, and what usually goes wrong.
There is no open C#m9 on ukulele. The one shape below sits up the neck and is rated advanced.
Start here — Movable m9 Shape (4th fret)
Fingered low on the neck with no barre — a useful middle step between the open shape and the movable ones.
What beginners get wrong
Moving in and out of it
The shape above: Movable m9 Shape (4th fret).
Listening: each shape above has its own play button, and each one plays the notes that shape actually produces — not a generic triad.
C#m9 on other instruments
Same notes, different hands. Every link below is a real page with diagrams and audio.
Chords next door
Same root, different colour — and all of them playable on ukulele.
C#m9 on Ukulele — questions people ask
What is the easiest way to play C#m9 on ukulele?
“Movable m9 Shape (4th fret)” — which we rate advanced — is the easiest C#m9 shape on ukulele. Fingered low on the neck with no barre — a useful middle step between the open shape and the movable ones. There is no open C#m9 on ukulele, so a barre is unavoidable; this is the least demanding one.
What notes are in the C# Minor 9th chord?
C# Minor 9th is C#, E, G#, B, D# — the 1-b3-5-b7-9 interval pattern of a minor ninth chord. Every voicing on this page uses those notes and nothing else; they just appear in a different order and octave.
What can I play instead of C#m9?
The nearest stand-ins on ukulele that keep the same root are C#m, C#m7, C#dim. They keep the root and the fifth and only change what sits in the middle, so most songs still work — but check the swap against the melody, because the note you removed may be the one the tune is singing.
Can I play C#m9 on other instruments?
Yes. C#m9 is the same set of notes everywhere; only the fingering changes. This site has diagrams and audio for it on guitar, piano.
Learn the theory behind C#m9
The shape gets your fingers there. These explain why it sounds the way it does.
Functional Harmony: Three Roles, One Engine
What a seventh chord is for — tension, resolution, and the seat it takes in the key.
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The 12-Bar Blues — Three Chords, A Century of Hits
Seventh chords are the whole sound of the blues. Twelve bars is where to hear it.
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Major and Minor Scales — Built from Intervals, Felt in Songs
The flat third under all of this, and the scale it comes from.
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