Triads in First Inversion
Dr. B Music Theory

Triads in first inversion (why?)

  1. Bass line can have melody contout and variety of notes.
  2. Lessen the weight of V and I in a non-cadential way (unperfect cadency).

Diminished triad in first inversion

vii° chord is composed by m3 and d5, use vii°6. In C key, use B°/D.

The same for ii° chord, use ii°6.

Parallel sixth chords

Moving sixth chords in parallel sound very good.

Part writing rules for 4 voices

  1. Try to double the soprano with an inner voice (alto or tenor).
  2. Never double the leading tone.

Part writing example (fill in alto and tenor voice)

Roman numeral harmonisation

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