The Huffington Post -
9 Feb 2015 22:40

No matter what corner of the globe we live in, when we hear songs such as "No woman, No cry" by Jamaican reggae singer Bob Marley, or the acclaimed song by U2 "Beautiful Day," our brains seem to experience some kind of bliss, and we feel content. This is also the case if we are at a concert with a group of strangers and everyone starts to sing along. We can feel a sense of camaraderie and unity, which is hard to describe -- it's something that would be more difficult to achieve by merely using l...
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