The performance had a raw edge that made it very compelling.
У выступления был грубый край, что делало его очень захватывающим.
Definitions
A 'raw edge' refers to the unfinished, unhemmed edge of a piece of fabric or material, where the threads may be exposed and prone to fraying. It can also be used metaphorically to describe something that is rough, unrefined, or lacking polish.