Following the trends of other music festivals like Austin City Limits and Lollapalooza, Outside Lands has begun releasing clues for the OSL 2018 lineup. Here are the clues thus far:
Additionally I would add that Beck was in the promotional video, which based on past evidence essentially confirms he will be on the lineup. For example, Future Islands was used in the same video last year and was on the poster. So if we break down the Outside Lands clues here's what they mean:
Clue #2 - SOB x RBE
Clue #2 - Portugal. The Man
Both of these are album covers of recent albums. Outside Lands apparently isn't too creative with their clues, but at least it makes ite asy to figure out who will be on the poster. We will keep updating this as Outside Lands leaks more 2018 artists.