And the third headliner is...
Governors Ball released this Instagram photo of crystals (to the left) last week along with the Tweet below.
Gov Ball NYC (govballnyc) tweeted:
Forgot to post yesterday's hint...perhaps a double clue here
We were debating between The Crystal Method and Crystal Castles when this was first posted, BUT, based on the fact that only one has been confirmed as of this morning, we're left with The Crystal Method as the headliner.
Monday, May 20
We sat down with Anne Pasternak for a few questions about Creative Time's past and future, as well as the importance of having an awareness about public art in the city.