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Microtonality is the use in music of microtones — intervals smaller than a semitone, also called "microintervals".It may also be extended to include any music using intervals not found in the customary Western tuning of twelve equal intervals per octave.
In the 19th century, most people were expected to use a neutral facial expression when being photographed. [1] The expensive and time-consuming nature of early photography reinforced this behavior. [1] In the late 19th century, different aesthetic and behavioral norms required keeping the mouth small, which led to photographers using "say ...
As music genres began to create their own cultures from the 1970s onwards, many cultures began to incorporate a smiling face into their culture. In the late 1970s, the American band Dead Kennedys launched their first recording, "California über alles". The single cover was a collage aimed to look like that of a Nazi rally prior to World War II.
The researchers also found the smile — or frown — appears to change depending on where it is in a viewer's peripheral vision. They simulated this effect on test subjects using blur.
Purkyně was the first to use a microtome to make thin slices of tissue for microscopic examination and was among the first to use an improved version of the compound microscope. He described the effects of camphor, opium, belladonna and turpentine on humans in 1829.
In post-pandemic Japan, some people may have forgotten how to smile – as evidenced by “smile practice seminars” that have cropped up and reportedly gained traction across the country.
A semitone is thus made of two steps, and three steps make a three-quarter tone or neutral second, half of a minor third. The 8-TET scale is composed of three-quarter tones. Four steps make a whole tone. Quarter tones and intervals close to them also occur in a number of other equally tempered tuning systems.
The earliest use I have found so far of the word "microtone" is in 1912 (two years before the earliest citation in the OED), but the article disparages the "widespread use" of the word. This suggests that, amongst ethnomusicologists at least, by 1912 "microtonal" and/or "microtonality" had already been in use for some time.