the.com/rehearsal
Where you make every mistake in private so the audience thinks you never make any.
means A practice run of a performance, done repeatedly until it stops looking like practice.
from From Old French rehercer, to harrow again — dragging a rake over a field twice, which is exactly how it feels by take forty.
Agricultural rootsLiterally meant to rake the same ground repeatedly.
Dress rehearsalFull costume run, traditionally meant to go wrong.
Theater superstitionA flawless final rehearsal predicts a disastrous opening night.