Conversation so far:
What is Harry Partch's theory in his book Genesis of a Music?
In Harry Partch's book Genesis of a Music, he made public his theories. He argues that Western music began to suffer from the time of Bach.
When was the time of Johann Sebastian Bach?
Johann Sebastian Bach was a German composer and musician of the Baroque period.

Question: How did western music suffer ?
Self-contained rewrite: How did Western music suffer from the time of Bach, according to Harry Partch?