Excellent point about the dancers, and come to think of it, I'm surprised Memento didn't come up before now. These points might help some others 3* the damn map.
Me, I've got a perfected event now (all 3*), now to figure out if I want to silver farm or not... running low on space without buying a 2nd barracks (I don't count the original space as a barracks, only the purchased)