Patterns is a song recorded by Black Sabbath guitarist Tony Iommi, featuring Serj Tankian on vocals. The song was released as the fifth track on Iommi's debut solo album, Iommi (2000), an album which also featured musical guests such as Dave Grohl, Queen guitarist Brian May and Black Sabbath lead singer Ozzy Osbourne. The song later appeared on the unofficial compilation, Storaged Melodies.