Jimmy Iovine, Dr. Dre and a bevy of music industry heavyweights—including Eminem, Kendrick Lamar and others— recently gathered at LA’s Paramount Studios for the premiere of HBO’s The Defiant Ones. The four-episode documentary chronicles the improbable relationship between Iovine—a record producer and son of a Brooklyn longshoreman—and Dre, the hip-hop pioneer straight outta Compton. Together, the pair has left an enduring mark on American music and culture that influences what we hear in our earbuds today. Directed by Allen Hughes (Menace II Society), the series includes interviews with Snoop Dogg, Gwen Stefani, Bruce Springsteen and others, plus never-before-seen footage of recording sessions.

The Defiant Ones premiers July 9 at 9 p.m. ET on HBO. In the meantime, scroll through photos of the star-studded premiere event below and then check out the official trailer.

Photos by Jeff Kravitz/FilmMagic.