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stock music stresses
gen.	музыкальное сопровождение в записи; музыкальные записи, заготовленные впрок
adv.	фонотечная музыка
cinema	материал фонотеки
English thesaurus
stock music
cinema	Music not written specifically for the film in question. Very often it's owned by a company connected with the production and so it's cheap for them to use - sometimes royalty-free.