"...I don't see how you can deny the Will, as you are, by definition, the Will itself" Frederick Copleston
Philosopher Bryan Magee, is among many many other things, the author of two books on Wagner: Aspects Of Wagner (one of the best and most concise introductions to Wagner) and the probably even better known: "Wagner and Philosophy" (known in the USA as "The Tristan Chord".
The following is from is 80's BBC TV series "The Great Philosophers" wherein he discusses Schopenhauer with Frederick Copleston