Dm chords with alternative bass notes
D 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. Dm/C should therefore be read as D Minor chord with a C note in the bass and Dm/Bb as D Minor chord with a B flat note in the bass and so forth.
Theory: Dm/C is identical with the third inversion of Dm7.
Notes: C - D - F - A
Notes: B - D - F - A
Notes: Bb - D - F - A
Notes: G - D - F - A