7 Tones in key:               C, D, Eb, F, G, Ab, Bb          (i, iidim, IIII, iv, iv, VI, VII)
        3 Primary Chords:          Cm, Fm, Gm                          (i, iv, v)
        3 Secondary Chords:      Eb, Ab, Bb                             (III, VI, VII)
        Dominant 7th Chord:      G7                                          (V7)
  Danman says..."Check out the chart"...C natural minor
 

Scale Step	Root	3rd	5th	Chord Type
I	C	Eb	G	Minor
II	D	F	Ab	Diminished
III	Eb	G	Bb	Major
IV	F	Ab	C	Minor
V	G	Bb	D	Minor
VI	Ab	C	Eb	Major
VII	Bb	D	F	Major