Conversation so far:
Why did they re-unite?
for Atlanta, Georgia's Wrecking Ball music festival.
When was this?
2016.
What did they do at the festival?
in our own way, including involving a charity.
What charity did they work with?
CANNOTANSWER.

Question: What happened in 2017?
Self-contained rewrite: What happened to the band Thursday in 2017?