What would be the equivalent in your fictional world - i.e. where do your creations go for a cultural night out? What do they do? Is the cultural event or outing accessible to anyone?
What kind of cultural event/outing unites the different species in your fictional world? What do the different species see as their culture, different from the others?
What historical events are commemorated on your fictional world? Is there such a thing as high culture/low culture?