Theatre takes place all the time - wherever one is - and art simply facilitates persuading one this is the case.
A 'mistake' is beside the point, for once anything happens it authentically is.
Nothing more than nothing can be said.
My favorite music is the music I haven't yet heard
...we make our lives by what we love.
It is not futile to do what we do. We wake up with energy and we do something. And we make, of course, failures and we make mistakes, but we sometimes get glimpses of what we might do next.