Footage from an elite German party island of people singing a Nazi slogan in place of the lyrics of a disco hit has gone viral and triggered a wave of outrage. The film shows a group on Sylt in North Frisia drinking and dancing together to the 2001 song L’amour Toujours by the Italian musician Gigi D’Agostino. Some in the group sing an old Nazi slogan “Germany for the Germans – foreigners out” in place of the song’s apolitical lyrics. Among the participants, who are dressed casually and appear to be holding glasses of Aperol, rosé, and champagne, was one...