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1 gen 1831 anni - Cyrill Demian rakensi harmonikan, jossa oli yhdessä rivissä yhden sävellajin äänet ja toisessa rivissä puuttuvat sävelet. Bassossa oli jo kokonainen sävelasteikko. Wien, Itävallan keisarikunta.

Aggiunto al nastro di tempo:

Harmonikan aikajana

ByViljo Mannerjoki
21 dic 2021
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0
2088

Data:

1 gen 1831 anni
Adesso
~ 194 years ago
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