And legendary Late Night host David Letterman will hit the airwaves one last time tonight.

今夜秀传奇主持人大卫·莱特曼将在今晚结束他的主持生涯。

Nashville also sits at the heart of some of the greatest music ever to hit the airwaves of America.

纳什维尔同时也是曾经轰动全美的伟大经典乐曲发源地。