There are/have been at least 7 artists with this name:
These are photos from concerts where Everest played, so they may be of other bands that played the concert as well.
Bunbury Festival 2013 Jul 12 - 14, 2013 Cincinnati, Ohio, United States Uploaded by Angee Kv
My Morning Jacket / Everest Oct 23, 2010 New York, New York, United States Uploaded by Itrainmonkeys
Bumbershoot 2009 Sep 5 - 7, 2009 Seattle, Washington, United States Uploaded by Deadcow13