Word: helmholtz
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Dates: during 1890-1899
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Interval is a characteristic quality which distinguishes the sound of all pairs of tones, the ratio of whose vibration numbers is the same. This quality is in most cases disagreeable, the few agreeable or consonant intervals having vibration ratios which can be expressed by the first five integers. Helmholtz has sought to explain this remarkable fact by the use of the same principle of the disagreeableness of the strong and rapid pulsations of sound formed by very near tones, which in his theory of Timbre accounts for the aesthetic superiority of notes with a few integral overtones to all others...
...given by Mr. Benjamin Ives Gilman in Sever Hall during January, February and March. The purpose of this course is to Inquire into the operations of the mind concerned in the hearing of music. An examination of the sensation of tone will be followed by an outline of Helmholtz's theory of the quality of musical notes and of recent opinion as to the nature of consonance and dissonance. The main structural characteristics of music will then be discussed psychologically, and a reference made in conclusion to the emotional and ideal elements which enter into musical effect...