I dunno why ppl loved Sweet Dreams as the opener for the first few IAWT dates. It's so anti-climactic.
CIL is the best opener since it's so epic. The horns are like an announcement, it makes everything anthemic & everyone goes crazy.
Deja Vu & Run The World are the only openers that could match up to CIL, but I think RTW would work better as a closer.