Each image is an active rollover button, from there are several styles to choose, clicking on an image will take you to a different area of the gallery. Note that the sound track is looping in the menu.
Click on any slide and it will return you to the navigation menu. The "VCR" controls (an option) provide interactive control of the gallery browsing. At the end of each gallery show you are returned to the menu.
When you initially entered the page you may have seen the preloader which provided information while the entire show loaded. This show has five synchronized soundtracks.
The Tutorial section shows how easy it was to make the above gallery as well as other examples.