C minor

Cm

Also written Cmin · C− · C minor

NotesC · E♭ · G
Formula1 · ♭3 · 5
C1G5E♭♭3
Root position

Cm is the i chord of C minor, and in a major key it plays three parts: ii of B♭ major, iii of A♭ major and vi of E♭ major. Its relative major, E♭, shares two of its three notes.

How pianists voice Cm

The same notes, laid out the way hands actually play them.

Open triad Spread

C1G5E♭♭3

1 · 5 · ♭3 — root and 5th below, the 3rd an octave up. The same three notes spread over two octaves: the sound of strings rather than a keyboard.

Cm inversions

The same 3 notes with a different one in the bass. Each inversion is written as a slash chord.

Root position Cm

C1G5E♭♭3

Root at the bottom, stacked in 3rds: 1 · ♭3 · 5.

1st inversion Cm/E♭

G5C1E♭♭3

E♭ (the ♭3) in the bass: ♭3 · 5 · 1.

2nd inversion Cm/G

G5C1E♭♭3

G (the 5) in the bass: 5 · 1 · ♭3.

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