It's easy to miss these things because every bar has their own way of promoting. Some are on facebook, others twitter, some have their own proper website.
Some aren't net savvy and subsist on google maps reviews and photos. Or restaurant review sites.
And you've actually got to find all the little watering holes scattered around the city.
I only found out about it cause this goth girl I know mentioned it on FB.
It was a fun time. Lots of cute girls. Mix of goth and punk girls. Everyone dressed like the people your parents warn you about.
If you go, go hard. Makeup, black everything, do something unusual to your hair.
There were a couple people that were obviously dragged along by friends and stuck out in their regular club attire.