主旋律

主旋律	zhǔ xuán lǜ	(music) theme; principal melody / (fig.) central theme; main idea / (of a movie) created with the purpose of promoting Party values and point of view
主	zhǔ	owner / master / host / individual or party concerned / God / Lord / main / to indicate or signify / trump card (in card games)
旋	xuán	to revolve / a loop / a circle
旋	xuàn	to whirl / immediately / variant of 镟
旋律	xuán lǜ	melody
律	Lǜ	surname Lü
律	lǜ	law