How to play Cm (C Minor) on Bass
Diagram, notes, and audio for the Cm chord on bass. Free in your browser.
About Cm on bass
C minor on bass uses the same root-fifth two-note shape as C major: root C on the 3rd fret of the A string, fifth G on the 5th fret of the D string. The bass rarely plays the third of a chord — that role belongs to the guitar or keys above — so the major-vs-minor distinction appears only when the bass walks through the chord's third (E natural for Cmaj, Eb for Cm).
Cm is the i chord in C minor (three flats), the iii in Ab major, and the vi in Eb major. On bass, Cm shows up in jazz, soul, R&B, and minor-key pop. Its position — root on the A string's 3rd fret — sits squarely in the bass's most ergonomic region, with the fifth (G) and octave (C, 5th fret D) both within easy reach.
A typical Cm bass line walks through C-Eb-G-Bb (the four notes of Cm7) on the way back to C. This pattern outlines a minor-7th arpeggio and is one of the most-used motifs in soul and jazz playing. Practising it on bass teaches the player to internalise how minor seventh chords sound from the root upward — a skill that transfers to every minor-key song in the canon.
Frequently asked questions
- Where is C on the bass guitar?
- The lowest C is the 3rd fret of the A string. There's another C on the 5th fret of the G string.
- How is Cm different from Cmaj on bass?
- On a two-note root-fifth line, no audible difference — both use C and G. The chord identity only changes when the bass plays the third: E for major, Eb for minor.
- What's a typical Cm bass line?
- Cm7 arpeggio: C (3rd A), Eb (6th A), G (5th D), Bb (8th D), then C (5th G). The classic minor-7th run used in soul, jazz, and R&B.
Switch instruments
See Cm on a different instrument — same chord, new diagram.