61.   Instead of frenetic volunteers, the only background noise is Rush Limbaugh on the radio.

62.   Is she used to total quiet when she naps, or can she tolerate background noise?

63.   It is interesting to note that people can block out all sorts of background noise at work.

64.   It may be the background noise.

65.   It was the usual weekday morning scramble at the Davis house, except that the background noise was missing.

66.   It was only about a tenth as strong as the usual magnetic resonance signals, but it was still more than a thousand times stronger than the background noise.

67.   Jones laughed so loud it drowned out all the background noise that has been ringing in her ears the past few days.

68.   Lily might catch a glimpse of it, but it is background noise for her at this age.

69.   Mike Van Raaphorst was having an Amazing Grace kind of day, but the background noise was more along the lines of Anarchy in the UK.

70.   Music is something to be studied rather than switched on for background noise, and to play it well is commonplace.