the times they are a changin'

In philosophy it appears that you cannot prove any cause or that it will be repeated.
Its all a constant conjunction.
i.e. its all in the mind.
However things do happen whatever the philosophers say and if any event does occur then it is the result of necessary and sufficient conditions.
What were those in the case of Bob Dylan and his artistry?
Thats for you to find out.
Here are a few clues.
And the past is a foreign country.
Nothing is ever the same and you cant go back.
Everything is created anew and all meaning is constructed.
It is not inherent.