the 45 King

Mark Howard James (born October 16, 1961) professionally known as The 45 King (also mistakenly known as DJ Mark the 45 King), is an American hip hop record producer and disc jockey (DJ) from The Bronx borough of New York City. James began DJing in New Jersey, in the mid-1980s. His pseudonym, the 45 King, came from his ability to make beats using obscure 45 RPM records.