I had one student inform me that he put background music on his page because it fits his page's theme. The same student said he dislikes background music on a page when he surfs. If my research is any suggestion, you probably leave. Advertisers want the Web to be seen as what's known as a mass medium. That means a single source broadcasting to a mass of people.
Television is a mass medium.
Watch it or don't. If you do, you are participating as part of a group. That's a single source moving to a mass audience. The reality is that the Web is not a mass medium. When you get on the Web, you go to sites at your own whims and wants, on your timetable, when you want, and for how long you want.