Def Jam was founded by Rick Rubin in his dormitory in Weinstein Hall at New York University and its first release was a single by his punk-rock group Hose. Russell Simmons joined Rubin shortly thereafter… The first single released with a Def Jam Recordings logo was T La Rock & Jazzy Jay’s “It’s Yours.” The first releases with Def Jam Recordings catalog numbers were LL Cool J’s “I Need a Beat” and the Beastie Boys’ “Rock Hard,” both in 1984…
