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Meaning of background music

back'ground mu"sic

Pronunciation: [key]
  1. music, often recorded, intended to provide a soothing background, usually played over loudspeaker systems in public places, as railway stations or restaurants.
  2. music composed specifically to accompany and heighten the mood of a visual production, as a movie.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.