There are several artists and bands with this name:
These are photos from concerts where Plan B played, so they may be of other bands that played the concert as well.
Bestival 2009 Sep 11 - 13, 2009 Isle of Wight, England Uploaded by Maf Daniel
Exit Festival 2009 Jul 9 - 12, 2009 Novi Sad, Vojvodina, Serbia Uploaded by Gheger
