McKagan and Alice in Chains have a long history. McKagan was born and raised in the band's hometown, Seattle. He's performed with the band several times over the years.
The band talked about the hard work that went into the album and also discussed, "their right to exist." They also refer to McKagan as the "seventh member of the band." McKagan brings up the recent inclusion of the band's song Rooster in the film This is 40.
Listen to the interview and hear clips from The Devil Put Dinosaurs Here.