He died in Wuppertal on 10 March 1995 at the age of 97 .
From 1945 -- 1964 , Wilhelm Heckmann worked as a professional musician and solo entertainer in various hotels and restaurants throughout Germany .
Wilhelm Heckmann died in Wuppertal on 10 March 1995 at the age of 97 .
From 1945 -- 1964 , Wilhelm Heckmann worked as a professional musician and solo entertainer in various hotels and restaurants throughout Germany .