Here's another theory of mine based around the premise that the support act will be a band from GIAN:
Paramore
Plain White T's
Alkaline Trio
Finch
Set Your Goals
Cobra Starship
Chiodos
The Audition
All Time Low
My American Heart
Mayday Parade
Meg & Dia
Broadway Calls
MC Lars
That is Paramore's day at GIAN. The red colour is used for bands you can effectively rule out through either clash with their own tour or unlikelyness to support through musical differences.
From the remaining bands, PWT, the Audtion and MAH all stick out for me. PWT are a doubt as I don't think the organisers of GIAN would be too happy that the two main acts are playing together for less than half the prcie they would have to pay for GIAN. The Audition may suffer from the same problem seeing as they are the Second Stage headliners but it wouldn't be as much as a concern as PWT. And I've already gave my views for why I think MAH might support.
Of course, this is all just my own theory backed up with a bit of knowledge, for all we know Valencia could be the support act!
