there is no one detroit sound now. there are several. but once, back in the day, ALL techno was from detroit. without detroit, there would be NO techno. those who slag it cause they like european hard techno or uk acid techno would do well to sit down and listen to "the punisher" or "steps to enchantment."

hard techno, acid techno, deep techno, tech-house, electro, whatever-techno are all unimaginable without the years and years of innovation and forward-thinking from the detroit producers.

if today the stuff from detroit isn't as good as it once was, it's because the scene has been around since at least 1983, when "cosmic cars" came out.