Time Magazine: August 2013
“When you sing, musical vibrations move through you, altering your physical and emotional landscape. Group singing, for those who have done it, is the most exhilarating and transformative of all. It takes something incredibly intimate, a sound that begins inside you, shares it with a roomful of people and it comes back as something even more thrilling: harmony. So it’s not surprising that group singing is on the rise.
As the popularity of group singing grows, science has been hard at work trying to explain why it has such a calming yet energizing effect on people. What researchers are beginning to discover is that singing is like an infusion of the perfect tranquilizer, the kind that both soothes your nerves and elevates your spirits.
It turns out you don’t even have to be a good singer to reap the rewards. According to one 2005 study, group singing “can produce satisfying and therapeutic sensations even when the sound produced by the vocal instrument is of mediocre quality.”