The Haunted Mansion is one of Disney's most popular attractions, and it's no wonder why. It brings together some rather sophisticated (and simple) special F/X developed by Disney Imagineers, and has captivated generations of visitors. One of the coolest sequences is the quintet of singing plaster busts in the graveyard. How did they do it? As it turns out, with a bit of cleverness and a video projector. The projector casts an image of the singing actors onto the smooth, precisely-aligned bust su