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What record label were Slayer with?
Following the success of Hell Awaits, Slayer was offered a recording contract with Russell Simmons and Rick Rubin's newly founded Def Jam Records, a largely hip hop-based label.
Did Slayer play hip-hop?
Thrash metal band Slayer underwent a sonic makeover for the album Reign in Blood, resulting in shorter, faster songs with stripped down, hardcore punk influenced song structures and clearer production.

Question: When did Reign in Blood come out?
Self-contained rewrite: When did Slayer's Reign in Blood come out?