Beginner (formerly "Absolute Beginner"; in German "Beginner" is singular and plural as well) is the name of a German rap group from Hamburg, consisting of Jan Eißfeldt (Jan Delay), Denyo and DJ Mad.
These are photos from concerts where Beginner played, so they may be of other bands that played the concert as well.
Hurricane Festival 2018 Jun 22 - 24, 2018 Scheeßel, Lower Saxony, Germany Uploaded by Athousand Suns