At a symphony concert in the Dutch city of Scheveningen two solists were suddenly struck with amnesia. It was said to be a bet: succesfully disturbing the performance by tele-hypnosis.

It was the last symphony concert of the season in the Dutch resort city of Scheveningen. Suddenly, during a Bach violin concerto, Soloist Sam Swaap started scrubbing his fiddle discordantly. Then he stopped cold for a dozen bars, holding his fiddle like a broken toy. After embarrassing moments, Swaap got…