How an interior designer and a custom installer made a major audiovisual installation look easy.

Dean Martin spins and shoots the bad guy out of the saloon’s rafters. Everyone seated in the living room applauds. Thanks to Martin, life is looking up for John Wayne, the beleaguered sheriff in Rio Bravo.

Actually, you’re a far cry from Rio anything. You’re nestled into a luxury condo in the Four Seasons overlooking Miami and the harbor.