Your best bet is not to look at what I have done, but to look around at other sites that work for you and see how you can incorporate those elements. Redundancy is a good thing on a website because people have lots of different ways of searching. And the question about EP was to point out that you need to spell out at least once what anything means if you use an acronym. Okay, CD, DVD, those are understood. But this isn't one of those.