Background music may seem harmless, but it can have a powerful effect on those who hear it.Recorded background music first found its way into factories, shops and restaurants in the U.S. But
背景音樂似乎是無害的,但它對(duì)聽者卻有很大影響。錄在唱片或磁帶上的背景音樂首先是在美國的工廠、商店和餐館找到其市場(chǎng)的。