Three tenors appeared as Tristan, one of whom stopped the show when a set malfunction sent him tumbling into the prompter's box.
From the sacbee.com
The opera unfolds at Wahnfried, Wagner's home there, with the prompter's box turned into the composer's grave and site of the Holy Grail.
From the nytimes.com
Between 1900 and 1904, the Met's London-born librarian, Lionel Mapleson, immortalized dozens of performances from his perch in the prompter's box and, later, from a catwalk 40 ft. above the stage.
From the time.com
He is, of course, not talking about bringing back the good old days when a Caruso would stride forward, plant his feet squarely behind the prompter's box and, as it were, deliver his aria in person.