Physiognomy of symbolical emotions.
Hexagram of the canon of changes YiKing 47.

perception of music by audience and spectators of musical concerts or show harmonious soundings as emotional accents of classical musicians

If you are classical musician or otherwise to tell performer of serious musical compositions then you can consider the shown physiognomic symbols of human emotions and hexagrams of the canon of changes Yi King. Because harmonious or disharmonious soundings, and in essence melodious harmonies or sound contradictions of musical compositions can be considered as emotional accents of music, that is comparable to emotions of a human face.
If emotional expressions in facial features of musician mismatch harmonious and disharmonious soundings then it can cause inconsistent perception of music from the view point of audience and spectators of musical concerts or show.

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Emotions of social relationships.
Eyebrows:
individual mind subordinates to public consciousness.
Eyes: personal volition predominates over collective will.
Mouth: private needs predominate over social requirements.
Collective consciousness prevails of individual mind, but personal volition and needs of a man or woman prevail of collective will and requirements of society.

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

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

You wish to see people but find those who should communicate with you, but they are not obliged to understand you.

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Following 48 physiognomic symbol in gallery.
About harmonious soundings and emotional accents of classical musicians in music shows, also spectators of concerts and physiognomy for musical composers.