About the Dm7 chord
To play D minor 7th, use the first shape above. Place your index finger on the 1st fret of the E string, your middle finger on the 2nd fret of the G string, your ring finger on the 2nd fret of the C string, and your pinky finger on the 3rd fret of the A string. Strum all four strings and check that each one rings cleanly.
Root
D
Quality
Minor 7th
Notes
D · F · A · C
How the Dm7 chord works
D
Root(1)
The home note. It gives the chord its name.
F
Minor third(♭3)
The defining minor interval above the root.
A
Perfect fifth(5)
Adds strength and stability.
C
Minor seventh(♭7)
Adds the defining minor-seventh color.