Some fans of Twenty One Pilots seem to think that the band is coming with some new music soon...as in TODAY (4/13/18)! It's all because of this tweet:
— Hiatus Counter (@TOPHiatuscount) April 12, 2018
Fans of the band, aka "The Skeleton Clique", refer to a Reddit post (below) explaining the significance of the number 40 in lead singer Tyler's Christian faith. Friday, April 13'th would be the end of the band's (40 week) hiatus AND a really cool date to drop new music, IMO.