最終更新日：2025/11/30
Music historians studying prewar American recordings sometimes categorize early commercial Appalachian, Southern, and Western styles as hillbilly music, a term most commonly used up to the 1930s.
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Music historians studying prewar American recordings sometimes categorize early commercial Appalachian, Southern, and Western styles as hillbilly music, a term most commonly used up to the 1930s.
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