leitmotif; leading motive
A recurring musical theme associated with a particular person, idea, or situation, especially in opera and film music. The term is used in musicology and is synonymous with ライトモチーフ.
See also: ライトモチーフ
In Wagner's music dramas, leitmotifs represent characters and concepts.
映画音楽における示導動機の使用は、観客の感情を誘導する。
The use of leitmotifs in film music guides the audience's emotions.