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.

I am interested in politics but have stayed away from writing overtly political songs, or message songs, because I find it difficult to discuss politics intelligently in a 4-minute song. But I am finding there are ways to get bits and pieces of political thought across without preaching that the people have the power or we shall not be moved. Of course these sentiments have their place too - I'm not knocking Phil Ochs - but that's a different kind of music, songs to play at rallies, not to achieve a state of bliss.

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.

It's a scary question for a musician or songwriter today - what does the future hold? It is a strange time in the music business too; it feels like we are all in some kind of transitional period, stuck between old technology and new.

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

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.