The Blues Brothers: An Epic Friendship, the Rise of Improv, and the Making of an American Film Classic

The story of the epic friendship between John Belushi and Dan Aykroyd, the golden era of improv, and the making of a comedic film classic that helped shape our popular culture

"They're not going to catch us," Dan Aykroyd, as Elwood Blues, tells his brother Jake, played by John Belushi. "We're on a mission from God." So opens the musical action comedy The Blues Brothers, which hit theaters on June 20, 1980. Their scripted mission was to save a local Chicago orphanage. But Aykroyd, who conceived and wrote much of the film, had a greater mission: to honor the then-seemingly forgotten tradition of rhythm and blues, some of whose greatest artists—Aretha Franklin, James Brown, John Lee Hooker, Cab Calloway, Ray Charles—made the film as unforgettable as its wild car chases. Much delayed and vastly over budget, beset by mercurial and oft drugged-out stars, The Blues Brothers opened to outraged reviews. However, in the 44 years since, it has been...