Meaning of this saying?

Question

'The person who wants to lead the orchestra must stand with his back to the audience' What is the significance of this?

Answer 1

You can't accomplish great work if you are concerned about what people think about it.

Answer 2

The leader's concern focuses on those who do the work not  on those who  watch. or judge the work.

Answer 3

It means that a true leader must do what must be done without stopping by to see whether he has got the approval of others.