Jillian Walcher, a theatrical electrician, checks a diagram while preparing lighting for Popejoy Hall's 40th birthday party on Sunday and for a production of "Willie Wonka" on Tuesday. The University of New Mexico performance venue opened with concerts played by the Utah Symphony Orchestra on Oct. 1 and 2, 1966, and has since been the home to hundreds of shows performed by local companies as well as national and international artists.