The name reported as KeyMatch.scaleName when this candidate wins.
The major or minor key this mode is closest to, reported as mode.
The 12-bit scale mask of the mode.
Degree pairs the mode substitutes, as [replaced, replacing] semitone
offsets above the tonic. Applying them to the parallel scale yields mask,
and applying them to the parallel profile yields this candidate's profile.
How a modal candidate is built out of its parallel major or minor key.