There are at least seven artists named Polar:
These are photos from concerts where Polar played, so they may be of other bands that played the concert as well.
Impericon Never Say Die! 2018 Nov 11, 2018 Berlin, Berlin, Germany Uploaded by Rock Engel
Stray from the Path / Dead Harts / Polar / Old Boy Dec 2, 2015 Southampton, England, United Kingdom Uploaded by Dan Delaney
Download Festival 2014 Jun 13 - 15, 2014 Castle Donington, England, United Kingdom Uploaded by Josh King
Download Festival 2014 Jun 13 - 15, 2014 Castle Donington, England, United Kingdom Uploaded by Gwyn Williams
TRC / Polar / Prowler / Bare Your Scars Dec 2, 2012 Southampton, England, United Kingdom Uploaded by Dan Delaney
While She Sleeps / Bleed From Within / Polar / Crossfaith Oct 4, 2012 Portsmouth, England, United Kingdom Uploaded by Dan Delaney
Buzzcocks
Guilfest 2012 Jul 13 - 15, 2012 Guildford, England, United Kingdom Uploaded by Craig Hatfield
Tim Minchin
Jimmy Cliff
Mr B the Gentleman Rhymer
Nouvelle Vague
Björn Again
Heaven 17