The song "Here Comes Santa Claus / Santa Claus Is Coming to Town" is a Christmas medley performed by Jessica Simpson. It combines two popular Christmas songs, "Here Comes Santa Claus" and "Santa Claus Is Coming to Town," into one arrangement. The first part of the medley, "Here Comes Santa Claus," is a joyful and lively song that describes the anticipation of Santa Claus's arrival on Christmas Eve. It talks about Santa Claus and his reindeer, including names like Nixen and Blitzen. The lyrics convey the excitement of the holiday season with bells ringing, children singing, and everything being merry and bright. It encourages people to hang their stockings and say their prayers because Santa Claus is coming to bring presents and joy. The second part of the medley, "Santa Claus Is Coming to Town," is a classic Christmas song that warns children to behave because Santa Claus is always watching. It speaks about Santa Claus making a list and checking it twice to find out who has been naughty or nice. The lyrics emphasize the importance of being good for goodness sake. It also mentions that Santa Claus sees when you're sleeping and knows when you're awake, reminding children of his magical abilities. Both songs convey the spirit of Christmas and the anticipation of Santa Claus's visit. They celebrate the joy and excitement of the holiday season, as well as the message of being good and kind. Jessica Simpson's rendition of these songs adds her unique style and vocal interpretation to the beloved Christmas classics.