So I've always said whatever you book first you go to; even if something better comes along.
So exam rehearsals end of July (ballet teacher has moved them so they don't class with another class) DD arranged to go
The 'other' class is having rehearsals that day for a show....if she doesn't go she can't do the show
DD said "I'm committed to my teacher & I want to do my best in the exams, so I can't do the other show"
I'm so proud of her; how much easier would it have been to say "Oh I'll be fine in my exam, I'll do the show"