Dr. Dre (left) and Jimmy Iovine at the premiere of The Defiant Ones in Los Angeles. A four-part, nearly five-hour documentary film that began airing on HBO earlier this month, The Defiant Ones ...

opens the partners have just struck a multi-billion dollar deal with Apple. But the series, which runs about four hours and 20 minutes total, is not about business nearly as much as it's about music.

Dr. Dre and Jimmy Iovine, the subjects of The Defiant Ones. Starting this Sunday, HBO will devote five hours over four nights to perhaps the unlikeliest and most influential partnership in the modern ...