A church mode detectKey can rank alongside the major and minor keys.
Ionian and Aeolian are absent because they are the major and the natural minor
scale: a piece in either is already reported by the plain major or minor
candidate, and adding a second candidate over the same pitch classes and the
same profile would only produce a tie with itself.
A church mode detectKey can rank alongside the major and minor keys.
Ionian and Aeolian are absent because they are the major and the natural minor scale: a piece in either is already reported by the plain major or minor candidate, and adding a second candidate over the same pitch classes and the same profile would only produce a tie with itself.