In New York City, Indoor Noise Goes Unabated - NYTimes.com
►http://www.nytimes.com/2012/07/20/nyregion/in-new-york-city-indoor-noise-goes-unabated.html?_r=1&nl=todaysheadlines&em
Some research has shown that people drink more when music is loud; one study found that people chewed faster when tempos were sped up. Armed with this knowledge, some bars, retailers and restaurants are finely tuning sound systems, according to audio engineers and restaurant consultants.