A Bouquet of Bohèmes
“Most outstanding was the young Uruguayan tenor, Gaston Rivero, who sang Rodolfo with a warm voice that seemed to flow easily up and down his wide range. It's a voice that audiences will want to hear more than once.”
— Maria Nockin - Music and Vision February 8, 2010

PORTopera's Roméo et Juliette
"...he delivers the vocal goods with arching phrases, strong, exciting high notes and a full range of dynamics he is not afraid to use."
— Judith Malafronte, Opera News, October 2008

Roméo et Juliette
"His stage presence and appearance were handsome..., he displayed a brilliant top when given the opportunity..." — Luther Wade, Opera News, October 20, 2007

Roméo et Juliette Short, sharp shot of Roméo Opera Carolina's version sung with abandon, grandly set
“Gaston Rivero sang with more and more fire as the night went on, climaxing in the outpouring after the swordfighting deaths of Mercutio and Tybalt” — Steven Brown, The Charlotte Observer, Friday, Oct. 19, 2007

“...second surprise of the evening was a young dramatic tenor from Uruguay named GASTON RIVERO. His high notes rang powerfully in his two selections by Verdi, and he was an expressive partner to Daniela Dessi in the extended scene from ‘La Boheme’” — Translated from Maltese: by C.Attard, Malta Television. Richard Tucker Foundation concert in Malta, May 28, 2007

Rossini's Otello
“Gaston Rivero, played the Doge and later the offstage Gondolier, revealing a voice of lovely, linear lyricism.” Opera Orchestra of New York - Carnegie Hall
— John W. Freeman, Opera News, Jenuary 17, 2007

“A true Italianate tenor!” — Maggi Willis, BBC Cardiff Singer of the World 2005 Full Review on BBC Web Site

“Of the three Hispanic tenors in the finals, the third was the energetic Uruguayan GASTON RIVERO, throatily rich of voice.” — Yehuda Shapiro, Opera Now, January/February 2007 - OPERALIA 2006

Seldom Heard, but Worth Hearing Classical Music:
“GASTON RIVERO took on two roles. those of the Doge and the Gondolier. What a beautiful, beautiful, arresting voice. It will be a pleasure to hear him in coming years, as he assumes larger roles.” — Rossini's “Otello” OONY, Carnegie Hall By Jay Nordlinger New York Sun, January 19, 2007

'La Traviata' opens Grand Opera's season
"His fervent singing brought out all the passion and emotional pitfalls of young love." — Chris Shull, The Wichita Eagle, October 2006

'Traviata' Does Not Disappoint
"We are lucky to hear the voice of GASTON RIVERO. His energy and vocal sensitivity is an asset to the performance. He sings the role with ease even when asked to take the quietest tones up near the top of his range." — Philip Christiansen, Special to the Times El Paso Times October 13, 2006

La Traviata
“Tenor GASTON RIVERO was a vocally attractive and stylish Alfredo Germont.” — Mike Greenberg, San Antonio Express News, September 10, 2006

L'amore dei Tre Re
“GASTON RIVERO's alert, stylish tenor illumined Flaminio's treachery.” — OONY Carnegie Hall, By David Shengold, Opera, August 2006, www.opera.co.uk

La Fanciulla del West
“GASTON RIVERO's vividly projected Trin stood out vocally.” — OONY Carnegie Hall By David Shengold, Opera News, November 22, 2004