One of the standout features of 'BRAT' is its eclectic sound. Charli XCX seamlessly blends elements of pop, electronic, and experimental music to create a truly unique sonic experience. Tracks like 'Vroom Vroom' and 'TWINNEM' showcase the artist's ability to craft infectious hooks, while songs like 'I Don't Wanna Know' and 'Bags' demonstrate her capacity for introspective songwriting.