Piggy stands as a defining track on Nine Inch Nails' seminal 1994 album, The Downward Spiral. The recording captures Trent Reznor's signature industrial sound, blending aggressive electronic textures with distorted guitars to create a claustrophobic atmosphere. As part of a concept album exploring a protagonist's descent into madness, the song contributes to the work's intense emotional narrative without relying on lyrical exposition. The track exemplifies the band's ability to merge heavy rock elements with experimental production techniques. It remains a staple in the group's extensive catalogue, showcasing the raw energy and sonic innovation that characterized this pivotal era in alternative music history.