We caught up with Cynthia Erivo, whose overlapping work in music, film, television and theater have put her an Oscar win away from EGOT status. She’s currently between #Wicked movies, about to play Jesus in a production of #JesusChristSuperstar at the Hollywood Bowl and is scheduled to perform concerts at cities across the country this year. “It’s one of my favorite things to do,” she says of a recent concert in Houston. “I do my own makeup and I do my own styling — just bring along whatever I bring along.” Erivo is widely regarded as one of musical theater’s premier showstoppers thanks in large part to her role as the green-skinned Elphaba. On Sunday night in New York, Erivo will host the #TonyAwards, nine years after she won the prize for leading actress in a musical for her Broadway debut as Celie in “The Color Purple.” Yet for shows like the one in Houston, Erivo is aiming for something looser, more spontaneous, slightly lower-key. “The concert before that one, I’d taken off my...