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 many notes can a didgeridoo play?
“A didgeridoo mainly plays a single drone note.”
Reference: Australian Museum
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Where does the didgeridoo come from?
The didgeridoo was developed by Aboriginal peoples of northern Australia, and rock art suggests it's been played for at least 1,500 years.
What is the 12-bar blues?
The 12-bar blues is a common chord pattern that repeats every 12 measures.