Ben Franklin said that out of all of his inventions, the one that gave him the most personal enjoyment was the glass armonica. it's based on the principle of running your moistened finger around the edge of a wine glass, which you may have tried at the table. This novelty instrument actually gained some traction in the 18th century, and composers wrote music for it. On today's buffet, we'll hear one of Mozart's pieces for the instrument. Noon-1, on 89.5 fm & kbaq.org.