付ふ随ずい音おん楽がくふずいおんがくMeanings1nounincidental musicMusic that accompanies a play, film, or other performance, often serving as background or atmospheric music.この劇げきの付ふ随ずい音おん楽がくは、有ゆう名めいな作さっ曲きょく家かが手てがけた。