The McGuire Group, whose work has graced the stages of Wexamour since 500 P.M., returns this June with a single performance of their landmark production When The Clocks Fell Silent, playing Tuesday the 23rd at the Nascium Playhouse, 8878 Clairemont Mesa Blvd. Doors open at the eighth hour. For those attending, the Midnight Combo — two tickets, popcorn, and a confection of your choosing — is available for 4 to 4 and a half dollars. The Chronicle does not expect tickets to last.