Banjo · Level 6 · Intermediate

Augmented chords in C major on Banjo

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THE SHORT ANSWER

Raising the fifth of a major chord gives the augmented chord, a suspenseful sound that pushes towards IV. Combined with a minor iv it creates a bittersweet phrase.

C

C major

Notes: C · E · G

gDGBD

Caug

C augmented

Notes: C · E · G♯

×gDGBD♯

F

F major

Notes: F · A · C

×gDGBD

Fm

F minor

Notes: F · A♭ · C

×gDGBD♭
1
C
2
Caug
3
F
4
Fm

HOW TO PRACTISE IT

Six steps to a clean loop.

  1. Play each chord on its own: C, Caug, F and Fm. Press play on the chord card, then match the sound.
  2. The short fifth string (g) is only played open; let it ring when it fits the chord.
  3. Set the tempo to 63 BPM and play the progression with one chord per bar. Move only the fifth up a half step to make the augmented chord.
  4. Pinch the bass and top strings on beat one, then roll thumb–index–middle through the other strings.
  5. Raise the tempo to 84 BPM once you can play the loop three times without stopping.
  6. Record one take, listen back and check for a single rising inner line from the fifth to the sixth.

Listen for

Aim for a single rising inner line from the fifth to the sixth. A common mistake is re-fretting the whole chord instead of moving one note.

Why it works

The raised fifth becomes the third of IV; the minor iv is borrowed from the parallel minor key.

C major has no sharps or flats; its relative minor key is A minor.

Questions

What are the chords in I–I+–IV–iv in C major?

In C major the progression is C | Caug | F | Fm.

What is the key signature of C major?

C major has no sharps or flats. Its relative minor is A minor.

Is this lesson right for my level?

This is a level 6 lesson (intermediate). If it feels too hard, start with “Diminished passing chords”.

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