Unit 731 is a hardcore band that emerged from the depths of the Pittsburgh music scene, known for their heavy-hitting and aggressive sound that seamlessly weaves together elements of hardcore and metal. Their name, borrowed from the infamous Imperial Japanese Army's covert biological and chemical warfare research and development unit, reflects the band's intensity and the dark, historical themes often explored in their lyrics.

With a discography punctuated by relentless energy, Unit 731 solidified their place in the hardcore genre with releases like "The Hive Mind," "Res Ipsa Loquitur," and "A Plague Upon Humanity." These recent offerings encapsulate the band's raw power and ability to incite mosh pits with their pummeling riffs and breakneck drumming. Throughout their lyrical narratives, they convey a deep sense of indignation and reflection on human atrocities, which resonates with their fans and reinforces their reputation as a band that's not afraid to confront the bleaker aspects of history and the human condition.