Do Minor Blues

i – iv – i – V progression in Do minor

Chords
Triads7th Chords
Harmony
Originalii–V–ISec. Dom.
iDom
ivFam
iDom
VSol

Triad Diagrams — Do Minor Blues (Guitar)

Do Minor Bluesi – iv – i – V

The C minor blues (Cm – Fm – Cm – G) concentrates the darkest emotional territory of the blues form. Minor Pentatonic and the Dorian mode fit the i and iv chords; Phrygian Dominant or Harmonic Minor adds tension over the V chord's dramatic arrival. The Harmonic Minor scale is essential here — its raised 7th creates the authentic minor blues resolution. With seventh voicings (Cm7 – Fm7 – Cm7 – G7), the depth is uncompromising.

Playing in Do minor

With no sharps or flats, C major is the theoretical home base on guitar. The open G, B, and high E strings all belong to the C major chord, creating natural sustain. C is a beginner-level key on guitar because the open B and high E strings ring within the scale, and every basic chord uses familiar open shapes. Beginners will find this key approachable since most chords use open voicings with minimal stretching.

Voice Leading

The bass line moves through C to F (ascending perfect fourth), F to C (descending perfect fourth), C to G (descending perfect fourth). The root motion by larger intervals (fourths and fifths) gives each chord change a strong, decisive character. When the progression loops, the bass returns from G to C by perfect fourth.

Capo Transposition

To play in C using familiar open chords: capo 3 with open A shapes; capo 5 with open G shapes. Choose the capo position that gives you the voicings you prefer — lower capo positions produce a fuller sound, while higher positions create a brighter, mandolin-like timbre.

Scales for Soloing

C minor pentatonic is your safest starting point because all five notes are chord tones or stable tensions within the natural minor harmony. When a dominant seventh chord appears, switch briefly to C Dorian or harmonic minor to capture the raised 6th or 7th that the chord implies.

Strumming Pattern

Use a shuffle pattern: D-u-D-u with swung eighth notes at 80-120 BPM. The triplet feel is essential — think of each beat divided into three, skipping the middle note. Add palm muting on the bass strings for a tighter groove.

BluesMelancholy4/4 · 4 bars

Chords (triads): Dom, Fam, Sol.

Chords (7th): Dom7, Fam7, Sol7.

Famous songs using this progression

  • Black Magic Woman – Fleetwood Mac / Santana
  • Summertime – George Gershwin