There are many ways to arrange photo and video content. Here are two options of different galleries. The first one is more dynamic and presents your photos in a pleasing way. The second one is more static, but simpler.
Gallery type #1 – Lightbox
Gallery type #2 – Basic
Videos could be preceded or followed by a brief description, or not. Videos work best if in a single column, but if more columns are desired, it can happen.
If we are going to offer just a few audio files, this is probably the best way to do it. Otherwise, we might consider using a third party service to host the content securely and host it here in a pretty way.