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.
Fitz and the Tantrums / Walk the Moon Nov 18, 2011 Columbus, Ohio, United States Uploaded by Derek Jung
Fitz & The Tantrums / Walk the Moon Nov 7, 2011 Millvale, Pennsylvania, United States Uploaded by Red Rover02