Now I don't know how well I'll be able to help long run, but here is some stuff to help with the current two items. And I don't the specifics of this and am a noob in coding as well, but here is some helpful stuff.
Music:
- Twine media (adamhammond.com)
Customized Menus:
- http://www.twinery.org/questions/1987/how-to-change-the-sugarcube-menu-buttons
General: