Two or three notes of music can instantly make you feel sad or tense or afraid or angry. To do that in words is much more difficult.
As for the music business itself, the key things have not changed that much. It operates like any business and money still keeps things moving.
I have thoroughly gone through the subject of the Incarnation; and if it served you, could at any time give you the history from the beginning of the controversies on this subject, and of its present form.