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.
T In The Park 2007 Jul 6 - 8, 2007 Kinross, Scotland, United Kingdom Uploaded by Dsrae85
Wristband
Roskilde Festival 2005 Jun 30 - Jul 3, 2005 Roskilde, Zealand, Denmark Uploaded by Wakajawaka
Bumbershoot 2004 Sep 3 - 6, 2004 Seattle, Washington, United States Uploaded by Derik
Mononc' Serge & Anonymus / Downstairs / Plan B / Les Mauvaises Herbes / President’s Choice May 22, 2004 Boucherville, Quebec, Canada Uploaded by Doctor Phibes
Circle And Square / Plan B / Saves The Day / Ash Nov 29, 2002 Lancaster, Pennsylvania, United States Uploaded by Regular Tara