It’s a rehearsal, not the actual performance.
The ballet troupe had scheduled two rehearsals - a technical blocking rehearsal on Thursday and a full dress rehearsal on Friday.
These are ABSOLUTELY needed before they perfom the 8 sold-out performances.
NOW, they have to go through BOTH rehearsals AND the first two performances on the SAME day - Sunday. Its a 12-hour day for them, 7-8 year olds ...