Opera News:

“The success or failure of the show rests on the shoulders of the lead singer; at the beginning of Powder Her Face, there is little sympathy for the character, yet by the end while she has changed not a bit, there is grim admiration for her tanactiy.  Soprano, Maire O’Brien made it all work.”

The Washington Post:

…she has both the stratospheric high notes and the raw courage to take on the “Dulcissimme!”

The New York Times:

…Maire O’Brien, whose Miss Jessel was also vivid and well sung.

The Irish Times:

…she showed a solid top and also revealed, particularly in the last act, moments of beguiling tenderness.