also: ヒルビリーミュージック
noun
hillbilly music
Refers to the early commercial country music genre, often associated with rural white Americans in the early 20th century. The term is a direct loan from English and is used in Japanese to describe this specific musical style.
彼はヒルビリー・ミュージックのレコードを集めている。
He collects hillbilly music records.