Johann Sebastian Bach (photogravure) 468 CHAPTER I PRIMITIVE MUSIC Music in nature--Theories of the origin of music-Intervals and scales; Contrast--The aborigines of Carribea, Polynesia, Samoa, Africa--The rhythmic element: music and the dance; instruments of percussion--Harmonic traces--Wind instruments and their scales; the xylophone--Instruments of semi-civilized peoples--The North American Indian--Influence of modern culture on savage music. Music is coeval with the human race. In all probability it precedes spoken language. For music is primarily the expression of emotion; articulate language is the expression of definite thought. And in the process of evolution emotion precedes thought. The beginnings of music are to be found in Nature herself. The howling of the winds, the humming of insects, the cries of animals, the songs of birds must all be considered as elemental music, inasmuch as they contain the two fundamental elements thereof: 'rhythm’ and 'tone.’ Rhythm is the more or less regular division of time by beats or strokes. The heart beats in a regular rhythm; there is the rhythm of the raindrops; man walks with a rhythmic stride; the waves beat upon the shore in a solemn and impressive rhythm; the drumming of the partridge; the chirping of the crickets; the tapping of the woodpecker; the muttering of distant thunder, etc.--all these are rhythms, more or less regular divisions of time, marked off by beats or accents. Now 'tone’ is merely a noise which persists at a certain pitch. When we cry out in fear we usually produce a noise, but should we be careful to maintain a steady and equal emission of breath we should produce a tone. In other words, a 'noise’ is produced by a rapid and irregular change in the rate of vibration of the sounding body, whereas a 'tone’ is produced by the steady maintenance of a certain rate of vibration for a long enough time for the ear to appreciate its definiteness. That this time need not be very long is proved by the ease with which we grasp as tones certain very short notes used in music; grace notes, for instance. Many noises, in fact, upon analysis appear to be collections of heterogeneous tonal fragments which succeed each other with such rapidity and eccentricity as to preclude the recognition of their tonal elements, as such. Such animal cries as the roaring of lions, the baying of wolves, the screeching of parrots, or the barking of dogs must be classed as mere noises. While they are frequently of rhythmic interest, they contain too little of the tonal element to be regarded musically. On the other hand, the humming of certain insects, which produces a definite tone, the whistling and singing of many birds, the musical cries of certain monkeys as related in Darwin, and even on occasion the crying of the wind, must all be regarded as 'natural music.’