"Excellent."
- The New York Times
"Oliver Mercer brought heart-stopping ardor to Nigra Sum"
- The San Francisco Chronicle
"As Orfeo, American tenor Oliver Mercer commanded the notes impressively, producing neatly balanced, elegant vocalism and a pleasantly rounded tonal quality throughout the evening."
- Opera Britannia
"Superb"
-The Plain Dealer
“The vocal soloists were generally splendid. The tenors, especially: Oliver Mercer, who lent so much backbone to the performance by the St. Thomas Choir of Men and Boys in March, did likewise here…”
- The New York Times
"There were many moments of dramatic power from tenor Oliver Mercer in the title role [of Orfeo]."
- The Irish Times
"Tenor Oliver Mercer performed Florival's serenade delicately and touchingly."
- Opera Today
"We got some spirited and promising individual performances:
I look forward to hearing more from tenor Oliver Mercer"
- The Independent
"[The] cast is led with considerable aplomb by tenor Oliver Mercer."
- Irish Independent
"...With the tenor Oliver Mercer and the mezzo-soprano Virginia Warnken as the sterling soloists."
- The New York Times
"Sulayman and Mercer, both distinctive in vocal timbre, brought florid grace
and fireworks to their performances."
- Cleveland.com
- The New York Times
"Oliver Mercer brought heart-stopping ardor to Nigra Sum"
- The San Francisco Chronicle
"As Orfeo, American tenor Oliver Mercer commanded the notes impressively, producing neatly balanced, elegant vocalism and a pleasantly rounded tonal quality throughout the evening."
- Opera Britannia
"Superb"
-The Plain Dealer
“The vocal soloists were generally splendid. The tenors, especially: Oliver Mercer, who lent so much backbone to the performance by the St. Thomas Choir of Men and Boys in March, did likewise here…”
- The New York Times
"There were many moments of dramatic power from tenor Oliver Mercer in the title role [of Orfeo]."
- The Irish Times
"Tenor Oliver Mercer performed Florival's serenade delicately and touchingly."
- Opera Today
"We got some spirited and promising individual performances:
I look forward to hearing more from tenor Oliver Mercer"
- The Independent
"[The] cast is led with considerable aplomb by tenor Oliver Mercer."
- Irish Independent
"...With the tenor Oliver Mercer and the mezzo-soprano Virginia Warnken as the sterling soloists."
- The New York Times
"Sulayman and Mercer, both distinctive in vocal timbre, brought florid grace
and fireworks to their performances."
- Cleveland.com
