"The premiere of Steven Mackey’s Madrigal for voice and percussion quartet proved another highlight, the clear-voiced mezzo-soprano Kristin Gornstein singing an evocative, liturgical vocal line enhanced by a colorful percussive underpinning."
- The New York Times, Tanglewood Festival of Contemporary Music
"...the rich-voiced mezzo-soprano Kristin Gornstein, stabbed herself and fell practically at the feet of audience members sitting in the first row..."
- The New York Times, Loft Opera's The Rape of Lucretia
"Kristin Gornstein, a fine actress with a deep, spacious sound, acted Lucretia touchingly and sang with earnest beauty, from the calm of her entrance to suspicion and alarm to the depths of depression."
- Parterre Box, Loft Opera's The Rape of Lucretia
"The Brooklyn production fielded a cast of attractive young voices and physically fearless performers... Kristin Gornstein (brought) warmth and expression to that of Rosina."
- The New York Times, Loft Opera's Il Barbiere di Siviglia
"Certainly the lively, accomplished Mistresses Ford and Slender (Jenny Townshend and Kristin Gornstein) could appear as Fiordiligi and Dorabella on major stages: both showed rich, beautiful timbres and technical aplomb."
- Opera Magazine, dell'Arte Opera's Falstaff
"The mezzo-soprano Kristin Gornstein proved engaging as Mrs. Slender, her elegant voice enhancing the lovely duets Salieri wrote for her character and Mrs. Ford."