The musician - if he be a good one - finds his own perception prompted by the poet's perception and he translates the expression of that perception from the terms of poetry into the terms of music.
We recognise in the finished art which is the result of these conditions...
I write poetry in order to live more fully.
If we had had the right technology back then you would have seen Eva Braun on the Donahue show and Adolf Hitler on Meet the Press.