There are at least three artists with this name:
These are photos from concerts where DEV played, so they may be of other bands that played the concert as well.
Lizzo / DEV / Big Dipper / Blair St. Clair Jun 8, 2019 Indianapolis, Indiana, United States Uploaded by Cat Pless
DEV Mar 28, 2014 Garden City, Kansas, United States Uploaded by Joeyirsik
Much Music Video Awards Jun 19, 2011 Toronto, Ontario, Canada Uploaded by Kiersontour