As a performer, the New York Times wrote after his debut: "The first notes of Mark Delpriora's guitar recital established him as a musician of authority.
In a little Mozart transcription by Julian Bream he showed a rare feeling for the specific gravity of a Mozartean phrase, for the inevitability of its rise and fall.
His compositions have been published by Bèrben Edizioni Musicali (the 50-minute Sonata No.3, Sonata No.2, Elegia per Basil Keiser), Editions Orphée (Tango Caffè Carciofo, 10 Short Studies in Kaleidoscope,Creation Fugue, Variations on a Theme of Sor), and Guitar Arts Publishing (Four Images after a poem by e.e.
Delpriora writes: "In the tradition of Mario Castelnuovo-Tedesco’s 'Variations à travers les siècles', Astor Piazzola’s 'Histoire du Tango' and Argento’s song cycle 'Letters from Composers', I have taken an historical view of composition for my 'Variations on a Theme by Sor'.
During its travels, the theme meets and pays its respects to the godfathers of nineteenth century music and as a result is irrevocably transformed".
The last page of the published work contains an imaginary interview between Delpriora and the nineteenth century musicologist François-Joseph Fétis.