noun
opening of a new theater; inaugural performance
Refers specifically to the first performance or opening event at a newly built or renovated theater. The term originates from the tradition of dropping wood chips (こけら) from the roof during construction.
新しい劇場のこけら落としには、有名な俳優が出演する。
A famous actor will perform at the opening of the new theater.
こけら
Tickets for the inaugural performance sold out immediately.