longIntervalNames top-level property
The canonical long names of pitch intervals (e.g. Unicon, Perfect 4th), indexed by one less than their half-step counts.
Implementation
final List<String> longIntervalNames = [
'Unison',
'Minor 2nd',
'Major 2nd',
'Minor 3rd',
'Major 3rd',
'Perfect 4th',
'Tritone',
'Perfect 5th',
'Minor 6th',
'Major 6th',
'Minor 7th',
'Major 7th',
'Octave'
];