Semitone

Definition and stakes

Portrait of John Gray McKendrick John Gray McKendrick,  1911 Encyclopædia Britannica, Volume 28… (1911)

“ This analysis shows: (1) that the man’s resonance rises slightly (half semitone) in ascending seven semitones in the middle of his register, (2) that the boy’s resonance rises three semitones in ascending nine semitones in the upper half of his register; and (3) in the mid register the boy’s resonance is to the man’s as 5:4. Thus, as we sing a vowel in an ascending scale the pitch of the oral cavity slightly changes, or, in other words, the pitch of the resonating cavity for a given vowel may be slightly altered. ”
Source: Wikisource

Portrait of Samuel Merwin Samuel Merwin,  Anthony the Absolute

“ She played with, these fractional tones as easily and surely as the ordinary good singer plays with mere semitones. She actually took them in succession, quite as easily as she had, a little earlier, taken the semitones of the chromatic scale.
This was too much. I could not stand still any longer. In all my experience I had never found a white person with anything approaching my fineness of ear in merely hearing close intervals.
”
Source: Gutenberg

A Dictionary of Music and Musicians (1900)

“ For instance, the Authentic Mixolydian Mode corresponds, exactly, in its compass, and the position of its semitones, with the Plagal Hypoionian Mode. The range of both lies between G and g; and the semitones, in both, fall between the third and fourth, and the sixth and seventh degrees. ”
Source: Wikisource

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