Chord reference · triad
Cbm chord (C-flat minor)
Cbm is the C-flat minor chord. Play C♭, E♭♭, G♭ together to hear the chord in root position.
Cbm chord notes and interval formula
The formula 1–♭3–5 means the chord is measured from C♭ using the root, minor third, and perfect fifth. In semitone numbers from the root, the pattern is 0–3–7.
| Degree | Interval | Semitones | Note |
|---|---|---|---|
| 1 | Root | 0 | C♭ |
| ♭3 | Minor Third | 3 | E♭♭ |
| 5 | Perfect Fifth | 7 | G♭ |
How to play Cbm on piano
Start with the notes in root position from low to high: C♭ – E♭♭ – G♭. Right hand 1–3–5; left hand 5–3–1 is a useful starting point, but black-key combinations and melodic movement may make another fingering more comfortable.
For a cleaner accompaniment, place the root in the left hand and play the remaining tones in the right. With extended chords, keep the third and seventh because they identify the chord quality most clearly.
How to play Cbm on guitar
Try the shape x-2-0-4-0-2 in standard tuning, read from low E to high E. The sounding-string details are: E mute; A fret 2: C♭; D open: E♭♭; G fret 4: C♭; B open: C♭; E fret 2: G♭. Keep every note clear and release pressure from strings marked “x.”
This is one voicing, not the only correct shape. The chord remains Cbm whenever the essential pitch classes are present; doubling, omission, and bass-note choice change the voicing rather than the basic chord name.
Cbm inversions and slash chords
Inversions keep the same notes but place a different chord tone in the bass. They are useful for smoother bass lines, compact keyboard movement, and alternative guitar voicings.
| Position | Symbol | Notes low to high | Bass |
|---|---|---|---|
| Root position | Cbm | C♭ – E♭♭ – G♭ | C♭ |
| 1st inversion | Cbm/Ebb | E♭♭ – G♭ – C♭ | E♭♭ |
| 2nd inversion | Cbm/Gb | G♭ – C♭ – E♭♭ | G♭ |
What Cbm sounds like and where it fits
The C-flat minor chord is dark and focused. Minor triads work as tonic, subdominant, and color chords across pop, rock, classical, and film music. Keep the minor third clear: it is the note that gives the chord its minor quality.
Cbm compared with similar chords
Small interval changes create different chord names. Use this table to avoid confusing Cbm with nearby structures.
| Chord | Quality | Formula | Notes |
|---|---|---|---|
| Cb | Major | 1–3–5 | C♭, E♭, G♭ |
| Cbm7 | Minor Seventh | 1–♭3–5–♭7 | C♭, E♭♭, G♭, B♭♭ |
| Cbm6 | Minor Sixth | 1–♭3–5–6 | C♭, E♭♭, G♭, A♭ |
Frequently asked questions
What notes are in the Cbm chord?
The Cbm chord contains C♭, E♭♭, G♭. Its interval formula is 1–♭3–5.
How do you play Cbm on piano?
Play C♭, E♭♭, G♭ together. A practical root-position fingering is right hand 1–3–5; left hand 5–3–1; adjust the fingering to your hand and musical context.
How do you play Cbm on guitar?
One compact standard-tuning shape is x-2-0-4-0-2 from the low E string to the high E string. An “x” means mute that string.
What does the symbol Cbm mean?
The root is C♭. The suffix m identifies a minor structure with the formula 1–♭3–5.
How many inversions does Cbm have?
A 3-note chord has 3 closed-position arrangements when every chord tone is retained: root position plus 2 inversions. Extended practical voicings may omit notes.
Is Cbm enharmonic to another chord?
Yes. In equal temperament, Cbm has the same sounding pitches as Bm. The note names differ because the harmonic spelling is different.