I am admittedly rusty when it comes to song titles but I will do my best to post what they play as they play it and keep editing this post. Otherwise you'd get an unnecessary flood of non-12 Rounds related tweets from the @12roundsnet handle.
Opened with The Wake Up.
Keep it Together
Parasite
And the Sky Began to Scream
Ice Age
Believers
How Long
Welcome Oblivion
BBB
The Space in Between (remix)
Fur-Lined
The Loop Closes
Mariqueen thanked the crowd and DIIV says one more song.
A Drowning
Encore:
On the Wing
Strings and Attractors
We Fade Away
The show is over. Good night!