Cm chords with alternative bass notes
C minor chords for piano with alternative bass notes presented by keyboard diagrams.
Explanation: The slash in the chord name indicates that the second letter is added as a new bass note. Cm/Bb should therefore be read as C Minor chord with a B flat note in the bass and Cm/A as C Minor chord with an A note in the bass and so forth.
Theory: Cm/Bb is identical with the third inversion of Cm7, Cm/A is identical with the third inversion of Cm6 and Cm/Ab is identical with Abmaj7.
Notes: Bb - C - Eb - G
Notes: A - C - Eb - G
Notes: Ab - C - Eb - G