The Art of Enjoying Music
MUSIC IS MADE of Tones in Time. The tones are the result of vibration.
Regular vibration produces a musical tone. Irregular vibration produces noise. You can prove this by striking a piece of tin with a hammer. The vibrations are irregular, and the result is noise. But strike the key of a piano, which sets the strings vibrating regularly, and the result is a musical tone.
Tone is generally considered musical only when it has a definite pitch, and this pitch or height of a tone depends on the number of vibrations per second. The faster the vibrations, the higher the resulting tone. (Obviously, a shorter or tighter string will vibrate more rapidly than a longer or looser one.) . . .
Musical tones vary not only in pitch but in quality (also