For us northerly music and film folk that haven???t been able to migrate south for the region???s great arts mecca, Ryan says, ???Imagine your downtown is blocked off and every bar is a venue and the street is filled with people.??? And that???s not for a weekend, like Eugene Celebration, that???s nine days nonstop with over 2,000 bands and a handful of major film premieres, like Harmony Korine (d