Old Iron is a heavy doom and atmospheric sludge metal trio formed in Seattle, Washington, in 2011. The band is known for its crushing, low-tuned riffs, dissonant melodic leads, and aggressive vocal delivery. They blend the bleak, heavy atmosphere of traditional sludge with a driving, powerful sense of urgency. Over the years, they have released music through labels like Good to Die Records and Satanik Royalty Records. [1, 2, 3, 4, 5, 6, 7]