After eight seasons, the FIA Formula One World Championship will say goodbye to the 2.4 litre V8 engine formula at the Brazilian Grand Prix this weekend. It's not only the end of the 2013 season but the end of the V8 engine era.
Picture the scene, it's a Tuesday evening at the Novello Theatre just off the Strand and I am sat between Ronnie Corbett and Andrew Scott (Moriarty from Sherlock). Dotted around us are the American from Downton, a man from War Horse, Patricia Routledge and Olivia Coleman. It could not have turned out better.
Although I am reliably told it is a 'classic', before I saw the new West End revival, the only things I knew about Sweeney Todd were the two words 'Sweeney' and 'Todd'. I was the proverbial blank canvas going into the performance - I didn't know what to expect, what the story was, what the music was like: nothing.