Conversation so far:
What is Perfect Symmetry?
their third world tour, the Perfect Symmetry World Tour.
What major cities did they visit during the tour?
CANNOTANSWER.
Was Perfect Symmetry well attended?
Beatles).
Keane fans were prompted to buy 3D glasses along with the new 7" single, "Better Than This", or also to hand-make their own glasses.

Question: Was there anything else unique about the tour?
Self-contained rewrite: Was there anything else unique about Keane's Perfect Symmetry world tour aside from Keane fans being prompted to buy 3D glasses or also to hand-make their own glasses?