Last March, when the theaters shut down, we thought we might be back onstage by now. But as fall and winter seasons were postponed or abandoned, some companies have devised mother-of-invention ways to keep the flame alight.

Last March, when the theaters shut down, we thought we might be back onstage by now. But as fall and winter seasons were postponed or abandoned, some companies have devised mother-of-invention ways to keep the flame alight.