Nine Inch Nails' sound is dominated by clanging synths and sardonic, shrieking vocals.

I'll leave it to other people to evaluate the legacy of my book, but I'm very moved when musicians tell me that they've been inspired by my book.

I'm always very careful to make the distinction between music criticism and music journalism. A lot of people don't. But criticism doesn't require reporting. You can write criticism at home in your underwear. On the other hand, journalism takes legwork - you have to get out there and see things and talk to people.

To begin with, the key principle of American indie rock wasn't a circumscribed musical style; it was the punk ethos of DIY, or do-it-yourself. The equation was simple: If punk was rebellious and DIY was rebellious, then doing it yourself was punk. 'Punk was about more than just starting a band,' former Minutemen bassist Mike Watt once said, 'it was about starting a label, it was about touring, it was about taking control. It was like songwriting; you just do it. You want a record, you pay the pressing plant. That's what it was all about.'

In eras past, mainstream culture was blandly, blindly complacent, so underground music was angry and dissatisfied. But now, mainstream culture isn’t complacent, it’s stupid and angry; underground culture reacts by becoming smarter, more serene. That’s not wimpy—it’s powerful and productive.

I would roll out of bed and immediately start working, and keep working until it was so late at night that I couldn't stay awake anymore. Then I'd go to sleep and wake up the next morning and do the same thing all over again. I did that every day for three years.

Just as not all popular albums are wonderful, not all wonderful albums are popular.