Class: HeadMusic::Style::Guidelines::StartOnPerfectConsonance

Inherits:

Annotation

• Object
• Annotation
• HeadMusic::Style::Guidelines::StartOnPerfectConsonance

Defined in:

lib/head_music/style/guidelines/start_on_perfect_consonance.rb

Overview

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

Constant Summary

MESSAGE =

"Start on the tonic or a perfect consonance above the tonic (unless bass voice)."

Instance Attribute Summary

Attributes inherited from Annotation

#voice

Instance Method Summary

• #marks ⇒ Object

Methods inherited from Annotation

#adherent?, #end_position, #fitness, #initialize, #message, #notes?, #start_position

Constructor Details

This class inherits a constructor from HeadMusic::Style::Annotation

Instance Method Details

#marks ⇒ Object

# File 'lib/head_music/style/guidelines/start_on_perfect_consonance.rb', line 8

def marks
  return unless first_note && ((bass_voice? && !starts_on_tonic?) || !starts_on_perfect_consonance?)

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