sounds that get under your skin
The complex tones used in Swiss ethnic music correspond to the harmonic sequence of waveguide resonance modes. These musical tones turn out to be a discrete logarithmic curve. The mapping of them onto positive integers produces a different way of counting scales as is usually used in western music.
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Since 1975 the ISO standard 16-1975 is valid (here you can buy it for 40 CHF). It sets the concert pitch a1 at a frequency of 440Hz. As early as 1939, this tuning was agreed upon at a conference in London and endorsed as a recommendation by the ISO in 1955. With its adoption as a standard, unification was sealed, promoting musical exchange, trade of musical instruments and audio equipment. Already in the 1980s some people rejected the standard and
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