W.S.B.Mathews

Thus the name "music," when applied to an art, contains a suggestion of an inspiration, a something derived from a special inner light, or from a higher source outside the composer,

they express sentiment.

Every manifestation of musical art has in it these two elements: The fit selection of tones; and, second, the use of them for expressing sentiment and feeling.

They are three: The vigor of the mental movement in general, its strength upon the imaginative and sentimental side, and the suggestion from the environment in the way of musical instruments of adequate tonal powers.