1. if you mean to hide the boxes on the right side (side bar), you can try to follow this image below :
2. May i know which part of documentation that you referring to ?
3. Did you mean is the Front Slider? Have you create the Front slider at first, and the make a page that setup for Front Slider on the JPhotolio Page Setting option?
4. Did you have try to put your music list right here :
5. Your question have been answered right here : http://support.jegtheme.com/forums/topic/cant-split-top-menu-items-around-logo/