"Krush Groove" was released on October 25, 1985, chronicling the early days of Def Jam Recordings, one of rap music's foundational labels. The movie uniquely fuses the genres of drama and musical. Blair Underwood stars as Russell Walker, a character based on Def Jam co-founder Russell Simmons. He nurtures his brother's (Run-DMC) aspiring hip-hop group while struggling to make his own label a success. The film features an impressive ensemble cast including Sheila E, Run-DMC, Kurtis Blow, Fat Boys