Now that Anne Midgette has posted my blog objecting to live Bach imposed on visitors to the Corcoran Gallery, I've realized that I failed to indicate that this was not a museum concert. Rather, the cellist was offered as an embellishment to food.
http://www.artsjournal.com/uq/2012/07/mixing-art-and-music-contd-mixing-food-and-music.html
