Quick Answer & Harmonic Definition

To play the C Minor 9th chord on guitar, find the notes C, D#, G, A#, D across the fretboard. The root C typically goes on the 6th or 5th string. Use the interactive fretboard above to see exact finger placement for this extended chord shape.

Guitar Chord

Cm9 Guitar Chord

Minor 7th chord with an added 9th. Rich texture used in neo-soul and R&B. Learn the C Minor 9th chord on guitar with interactive fretboard, audio playback, and multiple voicings.

Notes
C – D# – G – A# – D
Intervals
0 – 3 – 7 – 10 – 14
Type
extended chord
C D# G A# D
E
A
D
G
B
e
3
5
7
9
12
5 notes · Standard (E A D G B E)

Playing the Cm9 Guitar Chord

The Cm9 chord is a minor 9th chord built on the root C. It contains 5 notes: C, D#, G, A#, D. On guitar, this chord can be played in multiple positions across the fretboard, from open shapes to barre chord voicings.

Minor 7th chord with an added 9th. Rich texture used in neo-soul and R&B. For guitarists, mastering the Cm9 chord unlocks many songs in the key of C.

Recommended Cm9 Guitar Voicing

The interactive fretboard above shows a practical Cm9 voicing. The chord notes (C, D#, G, A#, D) appear as highlighted positions. Tap any highlighted fret to hear that note, or click "Play Cm9" to hear the full chord.

Interval Structure of Cm9

Degree Interval Semitones Note in C
Root Root (R) 0 C
3rd Minor 3rd 3 D#
5th Perfect 5th 7 G
7th Minor 7th 10 A#
9th Major 9th 14 D

Common Progressions with Cm9 on Guitar

  • I–IV–V: Cm9 – Fm9 – Gm9 (foundation of blues and rock)
  • I–V–vi–IV: Cm9 – G – Am – F (modern pop staple)
  • I–vi–IV–V: Cm9 – Am – F – G (50s doo-wop)

Tips for Practicing Cm9 on Guitar

Start by finding the root note C on the 6th and 5th strings. Build the chord shape from there. Practice transitioning between Cm9 and nearby chords like F and G. Use slow, deliberate strums and check each string rings clearly.

Other C Guitar Chords

C
Major
Cm
Minor
C7
Dominant 7th
Cmaj7
Major 7th
Cm7
Minor 7th
Cdim
Diminished

Minor 9th Chord in All 12 Keys

Cm9 C#m9 Dm9 D#m9 Em9 Fm9 F#m9 Gm9 G#m9 Am9 A#m9 Bm9
Virtual Guitar
Interactive fretboard
Cm9 Piano
Piano chord diagram
C Scale
Notes that fit this chord
Songs
Find songs using Cm9

Knowledge Base & FAQs

Cm9 Guitar Chord — FAQ

Everything you need to know about our browser-based Web Audio engine, instruments, and music theory workspace.

How do I play the Cm9 chord on guitar?

To play the C Minor 9th chord on guitar, find the notes C, D#, G, A#, D across the fretboard.

The root C typically goes on the 6th or 5th string. Use the interactive fretboard above to see exact finger placement for this extended chord shape.

What notes make up the Cm9 guitar chord?

The C Minor 9th guitar chord contains 5 notes: C, D#, G, A#, D.

These are derived from the minor 9th interval formula applied to the root C.

What is the best guitar voicing for Cm9?

The most common guitar voicing for Cm9 uses a root position with C on the 6th or 5th string.

The exact frets depend on your preferred voicing — the interactive fretboard above shows a recommended open or barre position shape.

Is Cm9 a beginner-friendly guitar chord?

Cm9 has 5 notes, which may require more advanced finger stretching.

Start with the basic extended shape and practice clean transitions.

What is a barre chord version of Cm9?

A barre chord version of Cm9 uses your index finger pressed across all strings at a specific fret, with the remaining fingers forming the chord shape.

The root C determines the barre position on the 6th or 5th string.

What are common chord progressions with Cm9 on guitar?

Cm9 is widely used in jazz ii–V–I turnarounds, blues progressions, and modal funk vamps.

How does Cm9 sound different on guitar vs piano?

The Cm9 chord contains the same notes (C, D#, G, A#, D) on both instruments.

On guitar, the voicing depends on string selection and fret position, creating a different timbre. Guitar chords often include string-specific articulations like hammer-ons and pull-offs.

Can I play Cm9 as an open chord on guitar?

Open voicings of Cm9 require C to be playable within the first 3 frets.

If open shapes aren't available, use a barre chord voicing instead.

What is the difference between the Cm9 chord on guitar and ukulele?

The Cm9 chord contains the same notes (C, D#, G, A#, D) on both instruments.

However, the guitar has 6 strings in EADGBE tuning while the ukulele has 4 strings in GCEA tuning, so the finger shapes are completely different.

How do I practice transitioning to and from Cm9 on guitar?

Practice moving between Cm9 and its neighboring chords in the key of C major: F and G.

Use a metronome at a slow tempo (60 BPM) and focus on clean, simultaneous finger placement.