class HeadMusic::Style::Guidelines::StartOnPerfectConsonance

marks the voice if the first note is not the first or fifth scale degree of the key.

Constants

MESSAGE

Public Instance Methods

marks() click to toggle source
# File lib/head_music/style/guidelines/start_on_perfect_consonance.rb, line 10
def marks
  return unless first_note && ((bass_voice? && !starts_on_tonic?) || !starts_on_perfect_consonance?)

  HeadMusic::Style::Mark.for(first_note)
end

Private Instance Methods

starts_on_perfect_consonance?() click to toggle source
# File lib/head_music/style/guidelines/start_on_perfect_consonance.rb, line 18
def starts_on_perfect_consonance?
  diatonic_interval_from_tonic(first_note).perfect_consonance?(:two_part_harmony)
end