Background music is a great way to create atmosphere in a virtual environment. There are different movie clips to be seen on YouTube, where you can see and hear the difference when they change the background music to a certain scene. If you watch these, you will notice the effect the background music has on the overall atmosphere of the scene.

You can achieve a similar goal in your app. However, keep in mind that background music is named that way for a reason; it should remain in the background. As we discussed earlier, it should never mask the sounds holograms might make in your application.

Not every app needs background music all the time. Some apps can benefit from background music in all scenes, such as in games. However, other apps only need it during start up, during transitional screens, and other such places--do not over use it. Silence can truly be golden sometimes.

Background music, if long enough, might take a up lot of room in your app's package. It might be useful...