I was playing around with the API but got some sus results when using minor keys expressed as
b2, etc… For example, there is a single suggestion for the progression
i III when expressed as
b1,b3… which is
i III i iv i, kind of lame. Even more shockingly,
b2,b5 does not suggest
b2 again, and
I (major), and
b2,57 suggests nothing at all. What.
I’m wondering if maybe it’s best to express a minor key using its relative major key - for
i I could instead type
6 rather than
b1? My concern would be that then this would not understand the concept of a key center and would gravitate to a lot of
V,Is, which would be a lot of
VII,IIIs in minor and throw off the tonality completely.