PERSON@1 made his conducting debut at the LOCATION@1 in LOCATION@2 for the ORGANIZATION@1 's 450th performance of PERSON@2 's Tristan und Isolde on November NUMBER@1 , NUMBER@2 .

In NUMBER@2 PERSON@1 first conducted at the LOCATION@1 in LOCATION@2 at a performance of PERSON@2 's Tristan und Isolde .
