The author presents an experimental exhibition featuring comedian Nathan Fielder, where theater and reality intertwine. The concept of "Rehearsal" involves creating authentic reenactments of significant moments in an average individual's life. Everyday settings like pubs, living rooms, and kitchens are meticulously reconstructed, and actors skillfully embody familiar personas. These performances serve as practice for a momentous occasion, yet occasionally unfold in unexpected and unpredictable ways.