They are several artists named "Walk the Moon";
These are photos from concerts where Walk the Moon played, so they may be of other bands that played the concert as well.
Walk the Moon / Misterwives May 26, 2016 San Diego, California, United States Uploaded by Nathan Mansur
Shaky Knees Festival 2016 May 13 - 15, 2016 Atlanta, Georgia, United States Uploaded by Mgilberto1007
Shaky Knees Festival 2016 May 13 - 15, 2016 Atlanta, Georgia, United States Uploaded by Josie Thompson