Her opening wail is processed with heavy distortion, making it sound less human and more like a digital siren .
While Robert Plant’s original vocal was a "war cry" of Viking conquest, Karen O’s delivery is a . Her opening wail is processed with heavy distortion,
Instead of John Bonham’s rhythmic gallop, the cover utilizes a distorted, high-BPM industrial beat that mirrors a heartbeat under duress or a spinning hard drive. the cover utilizes a distorted