Bruce Springsteen recorded Nebraska in his bedroom. I remember thinking, “Wait, what?”

Last live show you've seen? Chemical Brothers at Glastonbury.

It turns out that Cooper had a similarly clear idea of who to base Jackson’s look on—another legend in his artistic field, Pearl Jam front man Eddie Vedder. “I went up to Seattle and spent four or five days with [Vedder] and I asked him 9,000 questions,” Cooper told Yahoo. “And he gave me minor, little things that only musicians know about what to do, just aesthetically and the inner workings. . . . He was wonderful.” When Cooper told Vedder about his plan to actually sing in the film, the Pearl Jam front man was less than encouraging: Cooper laughed. “He was like, ‘What? Bro, don’t do that.’”

I liked this idea of (Jack) almost lumbering onstage; that he’s not this butterfly flying through the guitar. I wanted him to be very sort of muscular. And Neil, I love the way he plays the guitar. When Jack is onstage is when he’s most himself. He takes his hat off when he goes on stage. He sheds it all. That fuels it and he’s been living on that for years — that and painkillers. But that’s where he gets that fix. And Neil, when I watch him play, it’s like he’s in a trance.

Cooper started with the song “Feelin’ Good Again,” by Texas singer Robert Earl Keen. He did several variations of “Peter Pi per” tongue twisters in dialect as fast as he could, like gargling while still enunciating

“She was so open,” he said. He asked her if they could sing a song, and he began to sing “Midnight Special.” They downloaded the sheet music and sang it together, with her on piano. After one verse, she stopped him and began to record a video on his phone.

He grew up loved, in Philadelphia, in a house full of music: Tom Waits and Bob Seger and Billy Joel and Mario Lanza and Led Zeppelin and Vivaldi and Tchaikovsky and Prince.

He grew up loved, in Philadelphia, in a house full of music: Tom Waits and Bob Seger and Billy Joel and Mario Lanza and Led Zeppelin and Vivaldi and Tchaikovsky and Prince.

He grew up loved, in Philadelphia, in a house full of music: Tom Waits and Bob Seger and Billy Joel and Mario Lanza and Led Zeppelin and Vivaldi and Tchaikovsky and Prince.

He grew up loved, in Philadelphia, in a house full of music: Tom Waits and Bob Seger and Billy Joel and Mario Lanza and Led Zeppelin and Vivaldi and Tchaikovsky and Prince.

He grew up loved, in Philadelphia, in a house full of music: Tom Waits and Bob Seger and Billy Joel and Mario Lanza and Led Zeppelin and Vivaldi and Tchaikovsky and Prince.

He grew up loved, in Philadelphia, in a house full of music: Tom Waits and Bob Seger and Billy Joel and Mario Lanza and Led Zeppelin and Vivaldi and Tchaikovsky and Prince.

He grew up loved, in Philadelphia, in a house full of music: Tom Waits and Bob Seger and Billy Joel and Mario Lanza and Led Zeppelin and Vivaldi and Tchaikovsky and Prince.

He grew up loved, in Philadelphia, in a house full of music: Tom Waits and Bob Seger and Billy Joel and Mario Lanza and Led Zeppelin and Vivaldi and Tchaikovsky and Prince.