Emotional and music
To many years ago human and other species used to make sounds to communicate themselves. The primitive uses of sounds includes from vocal sounds to sounds generates through some tools as sticks or tones. So, the main objetive of these sounds was, in one hand to arouse other members group about a predator or risk and, in the other hand to help reproduction. Sounds can generates attraction or avoitment behaviours through affective responses
Later, music appears as an evolution form of its sounds and as a media to communicate emotions. Then, musicians have the capacity to transmit in the music characteristics as mode or tempo emotions like sadness, fear or happiness.