All just my personal opinion
Beethoven: Piano Sonata No.15 in D major, op.28, “Pastoral” — comparing recordings with the following artists: Wilhelm Backhaus (1961), Paul Badura-Skoda (1969), Daniel Barenboim (1984), Ronald Brautigam (2005), Emil Gilels (1982), Friedrich Gulda (1967), Artur Schnabel (1935)
Comparing recordings with the following artists: Géza Anda, Camerata Academica (1962) / Vladimir Ashkenazy, Philharmonia Orchestra (1978) / Daniel Barenboim, English Chamber Orchestra (1971), Kristian Bezuidenhout, Petra Müllejans, Freiburger Barockorchester (2012)
Rubinstein’s Solo Recording Repertoire: Mozart: Rondo in A minor, K.511 (in comparison with Walter Gieseking, Ronald Brautigam, and Kristian Bezuidenhout);
Rachmaninoff: Prélude in C♯ minor from “Morceaux de fantaisie” op.3;
Szymanowski: 5 Mazurkas from op.50
Mozart: Piano Concerto No.17 in G major, K.453 — comparing recordings with the following artists: Géza Anda (1962), Vladimir Ashkenazy (1977), Daniel Barenboim (1968), Kristian Bezuidenhout/Petra Müllejans (2012), Arthur Rubinstein/Alfred Wallenstein (1962), Andreas Staier (1995)
Mozart: Rondo in A for Piano & Orchestra, K.386 — Clara Haskil, Bernhard Paumgartner, Wiener Symphoniker / Vladimir Ashkenazy, István Kertesz, London Symphony Orchestra / Kristian Bezuidenhout, Petra Müllejans, Freiburger Barockorchester
Beethoven, 12 Variations on “Das Waldmädchen”, WoO 71 — comparing recordings with the following artists: Emil Gilels (1968), Vladimir Ashkenazy (2006), Olli Mustonen (1993), Ronald Brautigam (2010)