Lyndon Terracini is staking much of the future and reputation of the national opera company on a digital revolution designed to immerse audiences and create an experience more akin to watching a movie than traditional opera. The glittering reptiles on the Joan Sutherland Theatre stage are part of the wholly digital production design for OA’s upcoming Aida. It’s the first step along a road Terracini says will revolutionise the way opera is staged and experienced.