51.   A state-of-the-art sound system pumped out the latest hits.

52.   A three-dimensional sound system may enliven the noises in interactive games.

53.   A virtual sound system is also available.

54.   Accompanied by bands and warring sound systems, the marchers, mostly young men, carry drums and whips and placards that poke at local politicians and current events.

55.   According to Health magazine, he discovered that the loudness of sound systems varied greatly, even when the theaters were showing the same movie.

56.   All six channels of the sound system were deadly quiet.

57.   Bringing hope to many thousands of people is far better than the artificial flurry of sound systems and the laser light shows of our sports arenas.

58.   Bush, speaking over a sound system to thousands of participants in the March for Life rally, said he opposed late-term abortions and human cloning.

59.   Bush shouted louder into the microphones, and the sound system mostly drowned the demonstrators out.

60.   But if he lived in the U.S., Hernandez could own the company that made his sound system.