Bergdorf Goodman skipped the season&#x27;s Christmas trees and winter wonderland window-scapes in favor of something a bit more…creative. This year, the department store dedicated each of its picture windows to an art form—from music (where a tower of shiny brass instruments reflects glittery eveningwear) to painting (where a hand-painted Dolce &amp; Gabbana gown takes center stage) to theater (where a Broadway-ready mannequin hams it up in front of a mid-century marquee).