Songwriter Diane Warren has been nominated for an Oscar 15 times, but has never won. She could be looking at a 16th nomination in the coming days as her new documentary arrives in theaters.

Early on, “Wicked” costume designer Paul Tazewell decided that the beauty of Oz needed to be reflected in the wardrobes of Elphaba (Cynthia Erivo) and Glinda (Ariana Grande). This would help define ...