The phrase "at a single performance" is correct and usable in written English.
It can be used when referring to an event or show that occurs only once, emphasizing the uniqueness of that particular performance.
Example: "The artist delivered an unforgettable rendition of the song at a single performance, leaving the audience in awe."
Alternatives: "during one performance" or "in a single show".
Mr. Bozonnet told Le Monde, "The theater is a tribune; its effect goes far beyond the audience at a single performance".
When we play places like Madison Square Garden or Salt Lake City, we have 20,000 people at a single performance.
If the lady herself was no particular devotee of music and opera, many of her cabinet were, and in those days it was possible to see more Tory ministers at a single performance at Covent Garden or Glyndebourne than New Labour has ever mustered in the last 12 years.
At that same performance, Aoki also broke the record for having "the most glo-sticks lit simultaneously" at a single performance.
At its centre was a single performance by an 11-year-old Aboriginal girl, an untrained actor from the Kimberley.
This year's high-profile item, also at the Guggenheim, was a single performance of Luigi Pirandello's "Right You Are (If You Think You Are)" with a glamorous cast directed by Francesco Vezzoli.
Juba seems to have presented varied styles at different tempos during a single performance.
On Friday night the Orissa Dance Academy, a troupe making its first visit to New York at the end of an American tour, gave a single performance at the Ailey Studios.
The singer-songwriter is concluding a five-city European tour that began last month, and on Friday he will give a single performance at the Ritz, the club at 254 West 54th Street in Manhattan.
No one detests Callas today, and yet she did not sing a single performance at the Metropolitan Opera House in New York at which she was not booed, nor did she have the pleasure of ever once reading truly enthusiastic (or intelligent) press there.
Photograph: Graham Turner Motherland, directed by Juliet Stevenson, was supposed to be a single performance at the Young Vic.
