Esther Gresswell is “[an] outstanding true Mezzo-Soprano".
“ The Australian mezzo-soprano Esther Gresswell slipped into the role of Dorabella. She impressed the audience with "Smanie implacabile" from Mozart's "Così fan tutte. …
Another highlight of the evening was the famous flower duet from Delibe's "Lakmé". Here the voices of Doğa Bilici and Esther Greswell united in beautiful harmony.”
Hersbruck newspaper - August 3rd, 2022
https://www.henfenfeld.de/?p=3333
“Sensational soloists [including] Esther Gresswell (alto)."