Fun Fun Fun Fest 6 line-up

Austin’s Transmission Entertainment announced part of their line-up for Fun Fun Fun Fest 6 today at 10:08am; more information will come August 1st. Stay tuned.  They released it via a puzzle of maritime flag codes and song samples, can you figure it out?

so far:
Brian Posehn
Okkervil River
Odd Future
M83
X