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)
Rubinstein’s Recording Repertoire: Igor Stravinsky, “Trois Movements de Pétrouchka” — Rubinstein, Pollini, with a side-view on Weissenberg, Béroff, Yuja Wang;
Scriabin: Nocturne in D♭ major for the left hand;
Mompou: “Cançons i Danses”;
Anton Rubinstein: Valse-Caprice, Barcarolles No.3 & 4;
Gershwin: Prelude No.2
Franz Schubert: Vocal Duets, Trios and Quartets — Ameling/Baker/Schreier/Laubenthal/Fischer-Dieskau/Gerald Moore; Hector Berlioz: Requiem (Grande messe des morts), op.5 — Ozawa/Boston Symphony Orchestra/Tanglewood Festival Chorus
Beethoven: String Quartet op.135 —comparing recordings with the following ensembles: Alban Berg Quartett (1982), Amadeus Quartet (1963), Artemis Quartet (2011), Busch Quartet (1935), Emerson String Quartet (1997), Endellion String Quartet (2005), Guarneri String Quartet (1969), Hagen Quartett (1990), Hagen Quartett (2012), LaSalle Quartet (1976), Leipziger Streichquartett (1998), Melos Quartett (1984), Quartetto Italiano (1968), Takács Quartet (2004)