Originally Posted by natureboy
"We apologize for the delayed announcement. Please give us a couple of more days. But in the meantime I can give you a clue. The Headliner is in this amazing Cookbook called Mosh Potatoes."
Keep in mind that "Headliner" is capitalized. It could be a clue to the real headliner being under the "Headliners" list in the book. If so, then the only logical choice from that list is Kreator. They posted today on Facebook that they have "big news tomorrow." So the lineup may be announced tomorrow.