Harmonic minor keys are used when writing chords ... Triads can be indicated by Roman numerals of the degrees of the scale. In the jazz styles of Gershwin and Kern, the dominant seventh was ...

The harmonic minor scale is also commonplace in classical, Latin and jazz compositions due to this ability to work over the minor perfect cadence. So, as you can see it’s a great scale with ...

And, though built on the major scale, this mode sounds totally ... over the m7b5 chord (the ii chord) in a minor ii-V-i progression in jazz – so there's plenty to be gained from adding the ...