Definition: Revolutionizer is a type of musical instrument that was invented by the Russian composer and pianist, Pyotr Ilyich Tchaikovsky. The name "revolutionizer" refers to its ability to change or transform into various musical forms and genres based on the key notes it plays. It's often associated with its ability to create unique textures and sounds, which is why it's considered a versatile instrument that can be used in many different settings.
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