found: OCLC database, October 27, 2018(access points: Murda Beatz, Murda; usage: Murda)
found: New York times, 25 October 2018:page C1 (Shane Lindstrom, an easy-going 24-year old from the undistringuished Canadian side of Niagara Falls, cuts a curious figure for a rap-world star; it is Lindstrom's producer name that is maybe most jarring for an amiable dude from north of the border: Murda Beatz, or just Murda to everyone who knows him.)
found: Wikipedia, 27 October 2018entry for Murda Beatz (Shane Lee Lindstrom; born February 11, 1994, Fort Erie, Ontario; known by the stage name Murda Beatz; Canadian hip-hop producer and songwriter)