 He is visually memorialized in only a small cache of photographs and two videos of him performing.The impressions of contemporary opera fans suggest his staying power decades after his death.In a 1999 "Gramophone" review of a 1948 recording of "Boris Godunov" featuring Nelepp, John Warrack writes, “Among the tenors, there is a splendid Grigory from Georgy Nelepp, his high, clear voice in splendid estate, his characterization of this Pretender strong and suggesting determination and not merely obsession.”

On "Classical CD Review", a commentator appraised Nelepp's 1957 recording of "Fidelio" as follows