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.
Acoustic Christmas 2012 Dec 13, 2012 Johnson City, Tennessee, United States Uploaded by Happilyallie
Live 105 BFD 2012 Jun 2, 2012 Mountain View, California, United States Uploaded by Jonathan P
KROQ Weenie Roast May 5, 2012 Irvine, California, United States Uploaded by Revanant007
KROQ Weenie Roast 2012 May 5, 2012 Irvine, California, United States Uploaded by Missing Lights
Neon Trees
Walk the Moon / Incan Abraham / Neon Trees / Glen Hansard Mar 15, 2012 Austin, Texas, United States Uploaded by Wicked Goddess Credit: © Kathy Flynn/Wicked Goddess Photography
Young the Giant / Walk the Moon Feb 25, 2012 Columbus, Ohio, United States Uploaded by Jordan G