What are composers doing when they’re waving the stick?

Question

If everyone has sheet music and all the timing information down, then what’s the composer’s role?

In: 952

Answer 1

To see how much of an impact a conductor can have, watch [Leonard Bernstein conduct a C major scale](https://youtu.be/nw7x3hoeicc?si=sIt0VILnbayyfvLA)