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.
Rock am Ring 1992 Jun 5 - 7, 1992 Nürburg, Rheinland-Pfalz, Germany Uploaded by Tommy53
Rock am Ring 1992 Jun 5 - 7, 1992 Nürburg, Rheinland-Pfalz, Germany Uploaded by Tdc24