German rock musician Udo Lindenberg performs in front of the Brandenburg Gate in Berlin

German rock musician Udo Lindenberg performs in front of the Brandenburg Gate in Berlin

German rock musician Udo Lindenberg performs in front of the Brandenburg Gate in Berlin, November 9, 2014. Germany on Sunday marks the 25th anniversary of the fall of the Berlin Wall. REUTERS/Michael Dalder (GERMANY – Tags: POLITICS ANNIVERSARY SOCIETY)