The Bandstand 2016 programme can be found on the second level of menus under the “Park Events” menu item specifically the link:
For volunteering at the events please see (second level menu item under “Contact Us” menu item)
The individual events also appear in the What’s On column (right hand sidebar) and may appear in other posts/pages where upcoming event lists are generated.
Sorry no poster or flyers yet.
Also a new page “World Heritage Weekend” can be found under the “Park Events” menu item.