A Tucson Pastorela opens Friday, Dec. 18, and continues through Sunday, Dec. 20. A preview performance takes place at 7:30 p.m., Thursday, Dec. 17. $16.75 general; $15.75 seniors; $10.75 students; and $7 kids. An opening-night celebration at 7:30 p.m., Friday, Dec. 18, features a meet-and-greet with the actors. $20.75 general and seniors; $10.75 students; and $7 children. Regular performances take place at 7:30 p.m., Saturday, Dec. 19; and 2 p.m., Sunday, Dec. 20. $18.75 general; $17.75 seniors; $10.75 students; and $7 children. Call 882-7406 for reservations or more information.