Russian Circles are a Chicago-based progressive instrumental trio formed in 2004, featuring Dave Turncrantz, Mike Sullivan and Brian Cook.
They released their debut album, "Enter" in 2006, followed by: "Station" (2008), "Geneva" (2009), "Empros" (2011), "Memorial" (2013), "Guidance" (2016), "Blood Year" (2019), plus 2022's: "Gnosis".