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key -n. a lever with a flat surface that is pressed with a finger to activate a mechanism of a machine or instrument
composer -n. a person who writes music
tribute -n. something that you say, give, or do to show respect or affection for someone
lyrics -n. the words of a song
crush -n. a strong feeling of romantic love for someone that is usually not expressed and does not last a long time
improvise -v. to speak or perform without preparation
