New algorithm for generating piano music using Python.

Class MinorMusicGenerator:

1. Contains all notes and chords that should be used (calculated for the given scale).
2. .correct_notes, .minor_chords and .additional_chords sound good together

GeneratorXX.py:

1. Examples of music generators.
2. They use different tempos, baselines, patterns, etc.

Examples (Dec 17):

Generator 01:

generator_01.mp4

Generator 02:

generator_02.mp4