Just guessing, but it seems like a self-exploration of what moves one emotionally and how we all got this way, especially when we preoccupy ourselves with so many mundane pursuits. My other thought was that they like to do at least one tune per record that commemorates some milestone, e.g. "Amelia" on the 50 year anniv of her disappearance & "Motorcades" on the 50 year anniv of the JFK assassination. In this latter case they built a song around it capturing all the different reactions to the event and our ability to compartmentize emotions.
Just guessing, but it seems like a self-exploration of what moves one emotionally and how we all got this way, especially when we preoccupy ourselves with so many mundane pursuits. My other thought was that they like to do at least one tune per record that commemorates some milestone, e.g. "Amelia" on the 50 year anniv of her disappearance & "Motorcades" on the 50 year anniv of the JFK assassination. In this latter case they built a song around it capturing all the different reactions to the event and our ability to compartmentize emotions.