Both Ed Rush and Optical are the co-heads of a drum and bass record label called Virus Recordings. Both have earned acclaim separately, with Optical engineering tracks on Goldie and Grooverider’s albums and releasing some excellent solo tunes on the likes of Prototype, 31, and Metro. Ed Rush also has countless releases, notably on No U-Turn, where he and Nico first emphasized the dark era of drum and bass with the masterpiece album Torque, and Metalheadz, where he produced such classics as “