Yes! I think it could even go double or triple, if White Houses has the potential to top ATM that we've heard it has and if some of the best songs on Harmonium like Papa and Afterglow are really well done.
Question (alright, this is a bit of a trivia-ish question, not sure how many people can answer, but I'd like to know): Why did Vanessa abandon All I Ask? And will she grant my request in the letter I just sent to her asking her to play it on the next tour?