we had crappy phones, that's why we did that, they worked fine afterwards
black light: never occured you're going to a party in your black clothes and there you are in some weird kind of light which makes white little fluffy things noticable on your clothes? if you're wearing neon colours/white (if) they started shining brightly, and teeth mostly look greenish as if you're a zombie or something.
festival petanque, i'm up for that, trend setting and everything