Scales-3.2

Major and these Minors cover 99% of the modes typically used in music in Western Civilization.

Directly, these changes are:

That is the Natural Minor Scale: It demonstrates the most direct representation of the key signature. However, it is the least commonly used version of the minor scale.

In contrast, this is the Harmonic Minor Scale:

This is the most commonly practiced scale, due to encompassing the most frequent pattern application in Classical Era onwards.

In the harmonic minor scale, the 7^ retains its Major form - see "To Lead Or Not To Lead".

Melodic Minor Scale:

This one is an oddity that is dictated by melodic direction [up/down], where it runs:

• 6^ and 7^ upwards

• b6^ and b7^ downwards

(This originates in an old Baroque rule of melodic writing that declined in use through the Classical Era, onwards so much of its specific pattern application is more commonly seen in music of the Baroque [e.g. Bach, Handel])