There are at least 2 bands named flag
These are photos from concerts where FLAG played, so they may be of other bands that played the concert as well.
RiotFest & Sideshow Sep 21 - 22, 2013 Byers, Colorado, United States Uploaded by Miklogonzalez
Riot Fest & Rodeo -Day 2 Sep 21 - 22, 2013 Byers, Colorado, United States Uploaded by Jeepgurlio
Riot Fest 2013 Sep 21 - 22, 2013 Denver, Colorado, United States Uploaded by Troy C
Riot Fest 2013 Sep 13 - 15, 2013 Chicago, Illinois, United States Uploaded by Tom Kennedy
Riot Fest 2013 Sep 13 - 15, 2013 Chicago, Illinois, United States Uploaded by Josh5180