As I peer out from stages around the country looking at audiences, I often wonder what is going through their heads. Are they enjoying themselves? Are they being moved or entertained? Were they dragged to the concert by a partner and would prefer to be at home in front of the new series of Game of Thrones?

Wouldn’t it be great to wire an entire audience up to an EEG machine and capture the brainwaves inspired by a Beethoven quartet or a symphony by Sibelius? Would the brain waves spike at the same moments, or would everyone experience the music in different peaks and troughs?

I know when I sit in a concert my mind leaps about like a Himalayan mountain goat. I start to think about my day and the myriad projects I never got to think about because I was so busy thinking about more immediate concerns. I think of things I would like to eat, of a glass of wine after the show. I start to think about how uncomfortable my bottom is in my seat and wishing that concert halls had those super-reclining lounges you find in cinemas these days, complete with a drink holder and perhaps a little...