Who invented the theremin?
The theremin was invented in 1920 by Russian physicist Léon Theremin while he was researching sensors that detect motion.
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- How do you change notes on a nyckelharpa?
“Nyckelharpa players change notes by pressing wooden keys.”
Reference: Encyclopaedia Britannica
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What is a nyckelharpa?
The nyckelharpa is a Swedish keyed fiddle and is considered Sweden's national instrument.
What is circular breathing?
Didgeridoo players use circular breathing, inhaling through the nose while pushing air out of the mouth, to play a continuous sound without stopping.