ブルーグラスブルーグラスFreq.FrequencyTop 100,000Meanings1nounbluegrass (music)Refers to the American roots music genre, typically featuring acoustic string instruments like banjo, fiddle, and mandolin.彼かれはブルーグラスのバンドでバンジョーを弾ひいている。He plays banjo in a bluegrass band.
