"…the vocal standout was Cesar Delgado as Rinuccio. His generous, lustrous tenor lost no breadth or warmth on top, and his committed, energetic acting made him the unlikely engine of the action. "
Opera News, .

"César Delgado brought a full-bodied tenor and ample charisma to the title role. He unleashed stirring high notes, but also revealed the tender side of his voice in hushed nuances…”.
The Dallas Morning News.

“César Delgado was a riveting Diego/Zorro, and no stranger the bel canto stylings asked of the role, with a richness and flexibility in tone consistent throughout his wide range…” Texas Classical Review.

"tenor César Delgado of Mexico (Edgardo di Ravenswood), who turns out to be the great discovery of the night in his Germany debut." Kult.de.

“Delgado was impressive as ´Edgardo‘, the warm and agile tenor (Mexican born) caressed his hapless lover with his impressive voice” .
Mittelbayerische.

“In the new production of Lucía di Lammermoor at Regensburg Theater, the theatre has been able to win guest artists of the highest vocal and theatrical level with César Delgado as Edgardo”. Onetz.

“…In particular, tenor, César Delgado, delivered a rendition of “De este apacible rincón” that rivaled that of Plácido Domingo!”.
Deslumbrar.wordpress.

“The Count Almaviva of the internationally acclaimed tenor César Delgado, excelled in the terrific character and demonstrated his great vocal and histrionic quality that he has managed to achieve. His interventions of arias, including the last act one called:"The impossible" that few dare to sing, were impeccably executed…”
Operaworld.es.