At the Museum of Modern Art on Sunday afternoon, Björk was seemingly everywhere. An artist known as Shoplifter sewed strands of hair onto Björk’s face. Around the corner, a textile conservator restrung pearls onto a topless wedding gown by Alexander McQueen, which was also worn by Björk. Nearby, Björk’s crystal-encrusted face floated in midair. A miniature Björk was on her way.

This Björk army was made up of mannequins, 3-D-scanned from her body, capturing her fierce and delicate features. Posed on the third floor of MoMA, the mannequins were being primped for a preview of the museum’s retrospective of her work, opening to the public next Sunday. The show is an immersive sonic and visual landscape, covering more than 20 years of her career. With music, video, fashion and technology all playing a part, the show is among the museum’s largest and most technically involved installations. “She’s literally worked with all the departments” in the museum for the exhibit, said Klaus Biesenbach, MoMA’s curator at large and the director of MoMA PS1, who helped conceive of the show.

After three years in development, the show’s details were still coming together this week. In the museum’s atrium, a newly constructed two-story structure was flooded with designers, carpenters, curators and audio- and video-makers. The beak of the infamous swan dress Björk wore to the 2001 Oscars had been refluffed; the yak head from the 3-D video for “Wanderlust” was fumigated. For “Black Lake,” a MoMA-commissioned video installation for the emotional, 10-minute song off Björk’s latest record, “Vulnicura,” 6,000 soundproofing cones were meticulously hand-stitched in felt, and technicians spent hours mixing the song for the space, with Björk’s oversight.

Wrapped up in finishing the show, Björk had been elusive. On Friday, she tromped through in an electric-blue dress and some hybrid hiking boot/high tops that only she could pull off. The exhibition is at once highly personal — her handwriting announces the display, and her diaries, starting from age 9, will be on view — and evocative of her collaborative style. Björk’s vision pulses through, and so does those of her friends’.