There are numerous artists with this name, including:
These are photos from concerts where Clark played, so they may be of other bands that played the concert as well.
Latitude Festival 2015 Jul 16 - 19, 2015 Southwold, England, United Kingdom Uploaded by Skdotcom
Glastonbury Festival 2003 Jun 27 - 29, 2003 Shepton Mallet, England, United Kingdom Uploaded by Maf Daniel
Pageninetynine / Parallax view / Wafflehouse* / Atrium / The Wake / Clark / The Black Dahlia Murder / American Nightmare Jun 6, 2001 Ypsilanti, Michigan, United States Uploaded by Mrinox