There have been two organisations to use the title U.R. that I have encountered over the years.
The first a band of Intestellar Fugitives and Knights of the Jaguar whom I came into contact with through the Techno music emanating from an operational base somewhere in Detroit. The "Underground Resistance".
The second disparate band of Hipsters, Skaters , B-Boys & Gals ,Aerosol Artists and Capoeiristas , who practice their "Urban Rituals" in East London and beyond.