Bruce Springsteen has said that the album “Darkness on the Edge of Town” marked the beginning of his career. He has said that his first three albums including “Born to Run” were merely prequels to the rest of his career.

Springsteen said that within the “Darkness” album he found a purpose to his working life, in 1978. He made these comments speaking to his friend, and actor, Edward Norton, in front of an audience in at the Toronto Film Festival.

“Darkness on the Edge of Town”, the documentary, was premiered on Tuesday at the Toronto Film Festival.

The documentary will air on HBO on October 7.