Most musicians create their music from an idea or an experience, such as a dream or real-life.
You can sing about them like for instance "NO AIR" bu jordin sparks...-awesome person
a person create music to express, convey a thought or message through a melody pattern
Music is important factor for many cases such as monitiring child developement,to treate depression(with Enya Music),advertisement etc.
IT IS USED IN RELIGIOUS AND NON RELIGIOUS CEREMONIES , it is a profession for some people , it is the easiest way to memorize things and it is also a mean of relaxation