All just my personal opinion
Beethoven: Symphony No.4 in B♭ major, op.60 — comparing recordings with the following artists: Bernstein/New York Philharmonic (1962), Bernstein/Vienna Philharmonic (1978), Böhm (1972), Dausgaard (2000), Furtwängler/Vienna Philharmonic (1953), Hogwood (1986), Klemperer (1957), Norrington/RSO Stuttgart (2002), Toscanini (1951), Walter/New York Philharmonic (1952), Walter/Columbia Symphony Orchestra (1961), Zinman (1998)
Gustav Mahler: Das Lied von der Erde — comparing recordings with the following artists: Walter/Ferrier/Patzak (1952) / Klemperer/Ludwig/Wunderlich (1966) / Bernstein/King/Fischer-Dieskau (1966)
Beethoven: The Creatures of Prometheus, op.43 — Dausgaard, Swedish Chamber Orchestra / Klemperer, Philharmonia Orchestra / Zinman, Tonhalle Orchestra Zurich
Beethoven: Great Fugue op.133 — comparing recordings with the following ensembles: Alban Berg Quartett (1983), Amadeus Quartet (1962), Artemis Quartet (2011), Busch Chamber Players (1941), Emerson String Quartet (1997), Endellion String Quartet (2006), Guarneri String Quartet (1969), Hagen Quartett (2001), LaSalle Quartet (1972), Leipziger Streichquartett (2006), Melos Quartett (1984), Otto Klemperer/Philharmonia Orchestra (1956), Quartetto Italiano (1969), Quatuor Mosaïques (2016), Takács Quartet (2004)
(…) for the following years, essentially all the money that I earned during my vacation jobs went into LP purchases. What was my guide in collecting LPs? Well, as I was listening to classical music on the radio just about all the time, I came across plenty of music that “talked to me”; unfortunately, LPs at that time were expensive…