Music is a kind of art. It is pleasant to listen and sing. it helps us a lot. first of all music helps us deal with stress, worry and anxiety. listening and singing music changes our mood. listening to soft and classical music while study helps us to concentrate better. singing music not only makes our voice better but also makes our nerve cells active.  
Music that sound is pleasant to hear.The music is an art form and cultural activity whose medium is sound and silence.The common element of music is pitch , rythm loudness and softness and quality and timber.