Writing a song is a long road. Or it can be.

I guess I could be singing about Superman, or about Zarathustra coming down from the mountain, but in my mind I was singing about Julian Assange. I wish I could say that Nietzsche inspired my lyrics but all I can honestly say is I was inspired by the graphic design of these '70s paperback covers for Beyond Good & Evil and The Birth of Tragedy and The Gay Science.

It's weird being an author because it's different than writing songs. You put so much more of yourself out there to be judged because it's a memoir. So when the reviews come in, they all feel really personal. Some people are just going to hate you no matter what. Personally, I never believe good reviews. When people tell me they love the book, I just shrug and say, "Yeah, whatever." My shrink says it's all about the love within. You have to love yourself or you'll never be able to accept compliments from anyone.

If I look at my own recordings, I think generally there is a focal point within the song and often it's the instrumental bridge or a guitar solo where we try to do something unexpected, something beautiful or weird, or beautiful because it is weird. And of course I fail half the time, but yes that is the goal, to create even a few seconds of bliss, or sadness. The electric guitar is a great instrument for doing this because it is capable of surprising you. There are so many different sounds available.

They didn't teach Nietzsche in the philosophy department at Harvard; philosophy there was strictly analytical stuff and the poetic ramblings of Nietzsche did not belong. And see - you are teaching it in a literature class - so they must have been right.

Writing songs does not get any easier, and that might be because I am harder on myself than I was twenty years ago. Hopefully, as we grow older and change, there are fresh topics, new perspectives, or at least there should be.

One of the nice things about being in a band is that you depend on each other for ideas, so it's not all up to me to do everything myself. There's always that fear that you'll run out of stuff. The most difficult part for me is writing lyrics, and that starts to get difficult after you've written, like, 120 songs.