With the harmonic minor scale we have the tense, stretched interval of the step and a half between the sixth and seventh notes, and with the melodic minor scale we have different versions on the way ...

All twelve keys of the standard western 12-tone octave are supported (C,Db,D,Eb,E,F,Gb,G,Ab,A,Bb,B). Supported scale families consist of the following: major/minor, melodic minor, harmonic minor, ...