“The Mephistopheles of Duncan Hartman was sonorous and full of wry insinuation.” – The Washington Post
FAUST – Opera Camerata of Washington DC

“But Duncan Hartman’s vivid malevolence as Don Pizzaro was a show-stealing performance.” – American Record Guide
FIDELIO – Sarasota Opera

“Roars of approval greeted Duncan Hartman’s role debut as Tonio, in New Israeli Opera’s first-ever Cavalleria Rusticana/Pagliacci. Hartman used his six-foot-three frame and pliant baritone to shape the humped clown usually a skulking hyena, into an amorous, suffering human turned towering nemesis.” – Opera News
PAGLIACCI – New Israeli Opera, Tel Aviv

“Common to both casts is the Sarastro of Duncan Hartman, who brought physical and vocal stature to the proceedings and offered wonderful low notes.” – The New York Times
DIE ZAUBERFLÖTE/DAS LABYRINTH – Amore Opera

“Duncan Hartman’s impeccably sung Pizarro exuded psychopathic malignity.” – Opera News
FIDELIO – Greater Buffalo Opera

“As William Jennings Bryan, Duncan Hartman brought a wonderfully granitic basso to his “Cross of Gold” scene, which can risk seeming static when delivered by less theatrically astute singers.” – OPERA NEWS
THE BALLAD OF BABY DOE – Utopia Opera

“Hartman, despite a bad bout with the flu, was one of the most believably oily and despicable Scarpias it has ever been my pleasure to see or hear.” – PGN Radio

“The amplified, offstage prophecies of Duncan Hartman’s Jokanaan emerged louder than the voices onstage, but after the tallish Hartman crawled, insectlike, from a crack in the woodwork of Nikita Polyansky’s cisternless set, Duncan Hartman’s ringing baritone lived up to its forecast.” – Opera News
SALOME – Greater Buffalo Opera

“The four vocal soloists were fine, especially Duncan Hartman, who made the opening vocal line a clarion call.” – Tulsa World News
NINTH SYMPHONY (Beethoven) – Tulsa Philharmonic

“There could not have been a handsomer or more elegant villain than Hartman in his portrayal of Scarpia, the man who controlled the lives of people in Rome in 1800. He sings beautifully.” – The Nashville Banner
TOSCA – Nashville Opera

“Also impressive were Michael Kelly as Parson Daniel Peel and Duncan Hartman as Pa Dowling.” – The Wall Street Journal
PATIENCE AND SARAH – Paula Kimper Ensemble

“As for the men, Duncan Hartman distinguished himself by his ample voice of superb timbre.”
LOHENGRIN – New Bulgarian National Opera

“Duncan Hartman has a rich, resonant baritone voice that he used with dynamic, unstinting generosity as Count di Luna in the Act I trio finale of ‘Il Trovatore’ and in the ‘Morir, tremenda cosa’ recitative and the great ‘Urna fatale’ aria from ‘La Forza del Destino.'” – Clarion Herald
OPERA GALA – The Jefferson Symphony