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gldraphael/rules.md

Created April 22, 2022 05:39
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Four Part Writing - from rick beato's video
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rules.md

Part writing rules

  1. Counter point should begin and end on a perfect consonance (perfect 4th, perfect 5th, perfect 8th)
  2. Perfect consonances must be approached by contrary motion or oblique motion
  3. Use contrary motion whenever possible
  4. Two parts should not be more than a 10th apart
  5. Avoid crossing voices whenever possible
  6. Avoid parallel 5ths and 8ths between parts
  7. Avoid moving in parallel 4ths, 3rds, 6ths for too long
  8. Avoid leaping with two voices in the same direction simultaneously

Rules specific to SATB

  1. No parallel 5ths
  2. No parallel octaves
  3. No hidden, direct 5ths or octaves
  4. No dissonant leaps like major 7ths, augmented or diminished intervals (choose small intervals like leading tone to tonic for eg.)
  5. Double root or 5th in root position chords, double any note in first inversion chords, double the 5th in second inversion chords, double the 3rd in diminished chords.
  6. Double the 3rd only when absolutely necessary to maintain proper voice leading.
  7. No voice crossing
  8. Stay in the accepted vocal ranges; dont put more than an octave between upper ranges (alto, sop)

Reference: https://www.youtube.com/watch?v=HuSKULck394

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