_Organic response._ Man is born with a psychophysical organism which registers sounds and responds to them somewhat like a resonator, which selects, amplifies and aids in the integration of auditory impressions. Our whole organism responds to sound involving the central and peripheral nervous system, all the muscles, all the internal organs, and especially the automatic nervous system with its endocrines, which furnish the triggers in the physical generation of emotion. Experiments from various sources have shown that sound acts physiologically on nervous control, circulation, digestion, metabolism, body temperature, posture and balance, hunger and thirst, and in general, the groundwork of pleasure and pain. The physical organism as a whole responds to sounds in specialized functions. Thus, man comes into the world tuned to music. The organism responds to sounds from earliest infancy. Back of all conscious awareness, back of all musical feeling, even back of subconscious assimilations and elaborations is the purely physiological response which is a function and a condition of well-being. This physiologically beneficent response of the organism to sound underlies all musical experience; without it we could not love music. _Sounds in themselves._ Like colors, sounds may be beautiful in themselves, quite apart from music. A single sound in nature or art is capable of appearing in endless variety in terms of pitch, dynamic value, duration, tone quality, and noise. It may be an object of beauty in itself in thousands of ways quite apart from its utility in music or musical perception. We find the tonal world in which we live full of beautiful and useful sounds which we love because we are capable of intellectual and emotional response to their beneficent influence. They play a large role in our feelings of attraction and adjustment. They may be beautiful to the untutored and intuitive mind as well as to the intellectually and esthetically cultured mind in the same way that flowers may seem beautiful to a child because they arouse an immediate pleasurable feeling; and yet they are not music but merely the raw material from which music is made. These raw materials from which the musical structure is raised are themselves beautiful, quite apart from musical experience or behavior. They play a large role in the love of nature. Thus, before the beginnings of music, primitive man responded affectionately to the sounds of nature and was guided by them in his daily life. Even before language took form, single sounds carried meaning and gave satisfaction. Man took pleasure in his own vocal utterances or mechanically produced sounds which played a large role in his human economy and development.