More than 90 artists will take part next week in the annual Royal Oak Outdoor Fair at Memorial Park and more than 10,000 people are expected to show up, organizers say.Now in its 48th year, the art fair offers free admission, live music, and food July 7-8."We're expecting a good turnout," said John Dedele, head of the city parks and recreation department that organizes the fair with the Royal Oak Arts Council.