Sad pop progression
in E♭ major
Piano chord
C Minor 9th Piano Chord (Cm9)
The C Minor 9th chord on piano is made of the notes C, E♭, G, B♭ and D. Smooth and complex. A minor 7th with an added 9th.
Tap any key to hear it.
What notes are in C Minor 9th?
5 notes, built 1 – ♭3 – 5 – ♭7 – 9 up from C.
- Notes
- C – E♭ – G – B♭ – D
- Formula
- 1 – ♭3 – 5 – ♭7 – 9
- Semitones from the root
- 0 – 3 – 7 – 10 – 14
- Symbol
- Cm9
- Chord type
- Minor 9th, 5 notes
How to play C Minor 9th on piano
C Minor 9th spans more than an octave, so it is usually split between the hands.
- Left hand: C and G (fingers 5 and 1).
- Right hand: E♭, B♭, D (fingers 1, 3 and 5).
C Minor 9th inversions
Each inversion puts a different note of the chord in the bass. Written as a slash chord: Cm9/E♭, Cm9/G, Cm9/B♭.
Can you find C Minor 9th?
Tap the notes on the keyboard, then check. Six chords, starting with this one.
1 / 6 Tap the notes of C Minor 9th (Cm9)
Score 0
Any octave, any order. Each key you tap plays.
What key is C Minor 9th in?
The keys whose scale contains every note of Cm9, with the chord’s Roman numeral in each.
Major keys
- B♭ majorii9
- A♭ majoriii9
- E♭ majorvi9
Minor keys
- C minori9
- G minoriv9
- F minorv9
C Minor 9th chord FAQ
What notes are in the C Minor 9th chord?
C Minor 9th (Cm9) has 5 notes: C, E♭, G, B♭ and D. Its formula is 1 – ♭3 – 5 – ♭7 – 9, counted up from C.
How do you play C Minor 9th on the piano?
Spread it over two hands: the left hand plays C and G (fingers 5 and 1), the right hand plays E♭, B♭, D (fingers 1, 3 and 5).
What are the inversions of C Minor 9th?
1st inversion: E♭, G, B♭, C, D (Cm9/E♭). 2nd inversion: G, B♭, C, D, E♭ (Cm9/G). 3rd inversion: B♭, C, D, E♭, G (Cm9/B♭).
What key is C Minor 9th in?
Cm9 belongs to B♭ major (ii9), A♭ major (iii9), E♭ major (vi9), C minor (i9), G minor (iv9) and F minor (v9).