Ok in order for us to help you with "efficiency", we're going to need some information. What exactly do you want with this page? Is it just an info page on a band? A basic fan site or are you trying to do something unique? I know you like your layout.. but sometimes you have to change the layout to get better efficiency
So unless you're equating efficiency with faster, I don't know what you want. Chamael already told you one way to make it more efficient ( preloading images). I've told you one way with the pictures. So.. now let's get down to the gritty..