The conductor of this premiere was Hans von Bülow, whose wife, Cosima, had given birth in April that year to a daughter, named Isolde, a child not of Bülow but of Wagner.
O director da estrea foi Hans von Bülow, cuxa dona, Cosima, parira en abril dese ano unha nena, chamada Isolde, unha nena que non era de Bülow senón de Wagner.