1) German literature term 2) Leitmotif 3) Line 4) Melodic line 5) Melodic phrase 6) Melody 7) Recurrent theme 8) Strain 9) Tune Found on https://www.crosswordclues.com/clue/leitmotiv
(German: `leading motive`), recurring musical theme appearing usually in operas but also in symphonic poems. It is used to reinforce the dramatic ... [5 related articles] Found on http://www.britannica.com/eb/a-z/l/32
in music, a recurring musical theme that accompanies a character or situation; in drama, then, the repetition of a word or phrase or image (from the German meaning “leading motive”). Found on https://education.ket.org/resources/drama-glossary/
‘Light motif’; a short thematic musical passage representing a character or situation in a musical drama. Wagner used this tool often in his operas: the fire motive in The Valkyries, and the glance motive in Tristan and Isolde, for example. Found on https://www.eno.org/discover-opera/opera-glossary/