Get festive at the Los Angeles County Irish Fair & Celtic Music Festival. The annual pre-St. Patrick's Day celebration features more than 2,000 performers, including traditional and contemporary Celtic bands and dance groups. The event also includes sheepherding, an Irish marketplace and a fine dining pavilion. Pomona Fairplex, 1101 W. McKinley Ave., Pomona. 10 a.m. to 6 p.m. Sat. and Sun. $18. (909) 623-3111; http://www.fairplex.com.