The harmonic minor scale is also commonplace in classical ... which is where this scale really shows its purpose. An F note (the b5) is the target choice for the Bm7b5. All these note choices ...

This creates a mode of A Harmonic Minor which is called E Phrygian dominant ... having already used the b9 (F) for a more ...

Harmonic minor keys are used when writing chords. There is another version of the minor key known as the melodic minor. This is used when writing a melody. Each key signature has two possible keys.