Iggy Pop is a pioneer of punk rock, whose legendary career began over fifty years ago. In 2015, he began collaborating on music with Joshua Homme, of Queens of the Stone Age. The result was Iggy Pop’s 23rd album, Post Pop Depression. In this episode, Iggy and Josh break down the song “American Valhalla,” and tell the story of how it was shaped by reverb, opera, and the military.