Music is generally defined as the art of arranging sound to create some combination of form, harmony, melody, rhythm, or otherwise expressive content.
The researchers say that calming music may improve sleep by slowing your heart rate and breathing, and lowering your blood pressure.
In the 10th century, the philosopher Al-Farabi described how vocal music can stimulate the feelings and souls of listeners.Music has long been used to help people deal with their emotions.
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