All just my personal opinion
Bruckner: Mass No.2 in E minor — comparing 6 versions of Anton Bruckner’s Mass No.2 in E minor. Artists: Eugen Jochum/Chor des Bayerischen Rundfunks (1971) — Daniel Barenboim/John Alldis Choir (1974) — Philippe Herreweghe/La Chapelle Royale & Collegium Vocale (1989) — Simon Halsey/CBSO Chorus (1990) — Helmuth Rilling/Gächinger Kantorei (1996) — Stephen Layton/Polyphony (2007)
Beethoven: Violin Concerto in D major, op.61 — comparing recordings with the following artists: Batiashvili (2007), Busch/Busch (1942), Faust/Abbado (2010), Francescatti/Walter (1961), Grumiaux/Galliera (1966), Heifetz/Munch (1955), Huberman/Szell (1934), Jansen/Järvi (2009), Kennedy (2007), Kopatchinskaja/Herreweghe (2009), Kreisler/Blech (1926), Kremer/Harnoncourt (1992), Menuhin/Furtwängler (1947), Milstein/Szell (1964), Mullova/Gardiner (2002), Oistrakh/Gauk (1952), Oistrakh/Cluytens (1959), Stern/Bernstein (1959), Szeryng/Schmidt-Isserstedt (1965), Suk/Konwitschny (1962), Tetzlaff/Zinman (2005), Zehetmair/Brüggen (1997)
Chopin: Piano Concerto in E minor, op.11 — comparing recordings with the following artists: Argerich/Abbado (1967), Askenase/Otterloo (1960), Avdeeva/Wit (2010), Avdeeva/Brüggen (2012), Rubinstein/Barbirolli (1937), Rubinstein/Wallenstein (1953), Rubinstein/Skrowaczewski (1961)
Heitor Villa-Lobos in Rubinstein’s Recording Repertoire: “Alegría na horta” from the “Suíte floral” op.97; piano suite “A Prole do Bebê”
Rubinstein’s Recorded Spanish Solo Repertoire: Music by Isaac Albéniz (“Sevilla” from Suite española, op.47; “Cordoba” from Chants d’Espagne, op.232; “Evocación”, “Triana” and “Navarra” from Iberia), Enrique Granados (“Quejas, ó la maja y el ruiseñor” from Goyescas, op.11), and Manuel de Falla (mostly encores)
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