stently matched a lower-pitched tone (510-520 Hz) to the lager, and a slightly higher note (640-670 Hz) to the more vinous Elephant beer. He then found that when he played the matching sound to people as they consumed the appropriate beer, they rated it as tasting better. As unlikely as it sounds, Canadian scientists successfully replicated the experiment in 1984, with the confusing add

Source: How To Season Food With Sound – Digg