// ScaleDefinition defines a scale by giving it a name and the spacing between adjacent notes on the chromatic scale.
type ScaleDefinition struct {
	// Popular indicates that the scale is commonly used
	Popular bool
	// Greek mode scale
	Greek     bool
	Name      ScaleName
	HalfSteps []int
	// InScale indicate what notes are in and which aren't
	InScale     [12]bool
	_scaleNotes []int // cache
}

type ScaleDefinition struct {
  // as most of the scales have their parent mode
  // it would be useful to note the parent, not if greek or not
  isChild         bool
  ParentScale     *Scale // or any other pointer to the parent. If not child - leave empty?
  Name            ScaleName
  HalfSteps       []int // half steps are useful only if we're talking about western music theory