It is best known for selling unauthorized copies of commercial recordings by other artists as the work of pianists Sergio Fiorentino and Barrington-Coupe's wife, Joyce Hatto.
The Concert Artist label received increased attention in its final years as it released over 100 CDs of highly acclaimed piano recordings attributed to Joyce Hatto.
[4] Joyce Hatto CDs released by Concert Artist are in fact plagiarised commercial recordings by other pianists on different labels.
[5] The Concert Artist release of Chopin's Mazurkas attributed to Alfred Cortot has been the subject of continuing debate since before the "Hatto hoax".
Wilhelm Backhaus, William Bennett, Alexander Brailowsky, Wolfgang Böhm, Ferruccio Busoni, Philip Challis, Leonard Cassini, Alfred Cortot, Adrian Creighton, Aeolian String Quartet, John Denman, Arthur Dennington, Ernst von Dohnányi, D’Oyly Carte Opera Company, English National Opera Orchestra, Sir Edward Elgar, Paula Fan, Albert Ferber, Sergio Fiorentino, Paul Freeman, Walter Gieseking, Grigory Ginsburg, Guildford Philharmonic Orchestra, Vernon Handley, Beatrice Harrison, Sir Hamilton Harty, Joyce Hatto, Henry Holst, Vladimir Horowitz, Edward Kilenyi, René Köhler (long suspected by many to be a fictitious conductor used for the misattributed Hatto recordings and now proven to be), London Mozart Ensemble, London Philharmonic Orchestra, Alan Loveday, Witold Malcuzynski, Mark Manning, Ozan Marsh, Frank Merrick, Benno Moiseiwitsch, Ignace Jan Paderewski, Sergei Rachmaninov, Royal Philharmonic Orchestra, Artur Rubinstein, Artur Schnabel, Albert Sammons, Oda Slobodskaya, Siegfried Schubert-Weber, Lionel Tertis, Rosemary Tuck, Nicholas Zumbro