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12-bar blues in G: G7, C7, D7

Their roots are the first, fourth and fifth notes of the G major scale. G7, C7 and D7 are dominant seventh chords.

  1. G7

    I7

    G B D F

    Open in Keyriff

  2. C7

    IV7

    C E G Bb

    Open in Keyriff

  3. D7

    V7

    D F# A C

    Open in Keyriff

The 12 bars

  1. G7
  2. G7
  3. G7
  4. G7
  5. C7
  6. C7
  7. G7
  8. G7
  9. D7
  10. C7
  11. G7
  12. D7
Open as a practice sheet in Keyriff

12-bar blues in other keys