Physiognomy of symbolical emotions.
Hexagram of the canon of changes YiKing 46.

melodies of classical music or musical composition as emotional changes musicians or musical performers and physiognomy of facial features

If you are musician or musical performer and in particular artist of classical music then you can classify melodies and soundings according to hexagrams of the canon of changes, namely according to physiognomic symbols of human emotions of this online gallery. And also as musician you can accompany melodies of classical music or some fragments of musical composition by emotional changes and mimic expressions of facial features if your face possess necessary parameters of physiognomy.

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Emotions of social relationships.
Eyebrows:
individual mind corresponds with public consciousness.
Eyes: personal volition subordinates to collective will.
Mouth: private needs predominate over social requirements.
Public volition influences personality of a man or woman, but individual needs prevail of corporative demands, and personal reason is identified with social consciousness.

Personal mutual relations.
Eyebrows:
you think of people and-or companions regard you.
Eyes: you do not wish to see people and-or companions do not need your presence.
Mouth: you can speak and-or companions listen to you.

Mental attitudes.
Eyebrows:
your notion is equivalent to opinions of people.
Eyes: your point of view is caused by sights of people.
Mouth: your words determine assertions of people.

People do not want to pay attention to you, but you aspire to dialogue or communication.

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Following 47 physiognomic symbol in gallery.
About musicians or musical performers and physiognomy of facial features in human society, also classical melodies and soundings of emotional accents in music.