Music, art, culture, polka bands, vendors. Opportunity to see newly reopened Roncesvalles Ave. after two years of renovations. Free entry. Parking info on web-site. 200,000 people expected. Regular performances by Polish dance troupes on the Credit Union Stage (220 Roncesvalles), the Copernicus Stage (66 Roncesvalles) and the Polkamania Stage (272 Roncesvalles).