The Horst-Wessel-Lied ( `` Horst Wessel Song '' ) , also known as Die Fahne hoch ( `` The flag on high '' , from its opening line ) , was the anthem of the Nazi Party from 1930 to 1945 . The Horst-Wessel-Lied ( `` Horst Wessel Song '' ) , also known as Die Fahne hoch ( `` The Flag Up High '' ) from its opening line , was the anthem of the Nazi Party from 1930 to 1945 .