On 21 July 1865, having sung the role only four times, Ludwig Schnorr von Carolsfeld died suddenly – prompting speculation that the exertion involved in singing the part of Tristan had killed him.
O 21 de xullo de 1865, tras ter cantado o papel en só catro ocasións, Ludwig Schnorr von Carolsfeld morreu repentinamente, o que deu pulo á especulación de que o esgotamento que implicou cantar o papel de Tristán o matara.