75 years later, Orson Welles’ troubled follow-up to Citizen Kane continues to enchant

A man’s voice, a melodious baritone, is heard over the black void of the screen. “The magnificence of the Ambersons began in 1873,” it announces, backed by harps and violins that bring to mind the Looney Tunes version of the pearly gates. The voice from beyond is Orson Welles. He continues: “Their …