Wagner was a lifelong obsession for Nietzsche. No other topic or figure more consistently and persistently appears in Nietzsche's books from beginning to end as do Wagner and his theories. For the first time, Ryan Harvey and Aaron Ridley put Wagner centre-stage in their book to show why he mattered so much to Nietzsche. Looking at both The Case of Wagner and Nietzsche Contra Wagner, they identify and define the trajectory of a number of overarching...