Tiergarten, passed under the triumphal arch of the Brandenburg Gate and down the Wilhelmstrasse, their bands blaring the old martial airs to the thunderous beating of the drums, their voices bawling the new Horst Wessel song and other tunes that were as old as Germany, their jack boots beating a mighty rhythm on the pavement, their torches held high and forming a ribbon of flame that illuminated the night and kindled the hurrahs of the onlookers massed on the sidewalks.