The Alphorn and the Voice

The alphorn presents such a unique, timeless beauty in its natural production of the overtone series; a sound that captivates with its resonance and simplicity. However, the absence of any kind of keys or valves means that they player is entirely responsible for vividly hearing the correct pitch before playing it. Unlike a piano or a fretted guitar string, the alphorn will never inform the player what the correct pitch is. For this reason, it requires a very clear musical

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Overtone music in 432Hz

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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