記錄一下很酷的 c minor natural vs harmonic scale

The notes of the C minor natural scale are: C D Eb F G Ab Bb

Chords in natural minor keys follow the pattern, minor diminished major minor minor major major.

• i – C minor, C minor seventh (Cmin, Cmin7)
• iidim – D diminished, D minor seventh flat five (Ddim, Dm7b5)
• III – E flat major, E flat major seventh (Ebmaj, Ebmaj7)
• iv – F minor, F minor seventh (Fmin, Fmin7)
• v – G minor, G minor seventh (Gmin, Gmin7)
• VI – A flat major, A flat major seventh (Abmaj, Abmaj7)
• VII – B flat major, B flat dominant seventh (Bbmaj, Bb7)

對比一下， C minor harmonic scale are: C D Eb F G Ab B  (7th degree get raised by half step) 

common chord progressions in the key of C minor natural. 

• i – VI – VII (Cm – Ab – Bb) -------------1 6 7
• i – iv – VII (Cm – Fm – Bb)  ----------1 4 7 
• i – iv – v (Cm – Fm – Gm)  -----------1 4 5 （primary) 
• i – VI – III – VII (Cm – Ab – Eb – Bb)  ---------- 1 6 3 7 
• ii – v – i (Dm7b5 – Gm – Cm) -----------2 5  1 (often used in jazz/blue music) 

Notes Of All The Chords In The key of C Minor

 triads

• i – C minor: C – Eb – G
• iidim – D diminished: D – F – Ab
• III – E flat major: Eb – G – Bb
• iv – F minor: F – Ab – C
• v – G minor: G – Bb – D

• VI – A flat major: Ab – C – Eb
• VII – B flat major: Bb – D – F

 four note chords

• i – C minor seventh: C – Eb – G – Bb
• iidim – D minor seventh flat five: D – F – Ab – C
• III – E flat major seventh: Eb – G – Bb – D
• iv – F minor seventh: F – Ab – C – Eb
• v – G minor seventh: G – Bb – D – F
• VI – A flat major seventh: Ab – C – Eb – G
• VII – B flat dominant seventh: Bb – D – F – Ab