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A device 'peri - homo - fon' which will be applied to the music to make him Human Voices can be issued either at the will of the Artist.Whether alone or in a consortium of any Keyboard instrument.
A device 'peri - homo - fon' which will be applied to the music to make him Human Voices can be issued either at the will of the Artist.Whether alone or in a consortium of any Keyboard instrument.
