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There is also an arrangement for 6 voices and piano only. The opera is scored for 6 voices and a small theatre orchestra. The production was a huge success, gaining excellent reviews in the UK press, and was cited by the novelist Alexander McCall Smith as a cultural highlight of 2007 in the Daily Telegraph's Review of the Year.

The Turing Test enjoyed a five-night sell-out run at the Edinburgh Festival Fringe in 2007, performed by Edinburgh Studio Opera (Edinburgh University's opera club). The opera is humurous, romantic, tragic, intelligent and engaging, with appeal to a broad general audience as well as aficionados of science and music.

Essentially, Turing suggested that if you couldn't tell a computer and a human apart when chatting to them via a keyboard, then the computer had passed the test and could be said to be intelligent. The opera is in one act (one hour in duration) and takes its name from the test proposed by the English mathematician Alan Turing for human-level intelligence in a computer. The opera was a sell-out hit at the Edinburgh Festival Fringe. This witty and sophisticated show tells the story of Stephanie, a brilliant young PhD student, trapped between two rival scientists battling to be the first to build a truly intelligent computer - a machine that can pass the famous Turing Test. Welcome to, home of the opera The Turing Test by Scottish composer Julian Wagstaff. “Pushes the boundaries.in subject matter, structure and tonality”. “Lean, spare and lyrical.the libretto is crystal clear' - The Guardian

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