i tend to collect *many* recordings of pieces i like, & don't generally care for "audiophile pressings/recordings" (i find the performances in many of these recordings to be rather dull / puts me to sleep). here are a couple i play in fairly heavy rotation:
Bach Cello Suites - Janos Starker (Mercury)
Beethoven Symphonies - Wilhelm Furtwangler (EMI, Orfeo, DGG, etc.), Carlos Kleiber (Orfeo, DGG)
Beethoven Piano Concertos - Emil Gilels; Leopold Ludwig (EMI)
Beethoven Piano Sonatas - Ronald Brautigam (BIS)
Brahms Sym 4 - Carlos Kleiber (DGG)
Chopin Nocturnes - Artur Rubinstein (RCA), Maurizio Pollini (DGG)
Chopin Etudes - Artur Rubinstein (RCA), Maurizio Pollini (DGG)
Chopin Preludes - Artur Rubinstein (RCA), Maurizio Pollini (DGG)
Chopin, Legendary 1965 Recording - Martha Agerich (EMI)
Dvořák New World Symphony - Fritz Reiner: CSO (RCA)
Dvořák Cello Concerto - Jacqueline du Pré; Daniel Barenboim: CSO (EMI)
Elgar Cello Concerto - Jacqueline du Pré; John Barbirolli: LSO (EMI)
Liszt Sonata in B - Emil Gilels (Orfeo), Martha Argerich (DGG)
Mahler Symphonies - Rafael Kubelik: Bavarian Radio Sym Orch (DGG): Georg Solti: CSO (Decca); Georg Solti: LSO (Decca)
Mozart Late Sym - Karl Böhm: BPO (DGG), von Karajan: BPO (DGG), Rafael Kubelik: VPO (Orfeo)
Mozart Piano Sonatas - Klára Würtz (Brilliant)
Rimsky-Korsakov Scheherazade - Sidney Harth; Fritz Reiner: CSO (RCA)
Saint-Saëns Sym 3 - Charles Munch: BSO (RCA)
Sibelius Symphonies - Osmo Vänskä: Lahti Symphony Orchestra (BIS)
Tchaikovsky Sym 6 - Arturo Toscanini: NBC Sym (RCA)
Wagner Tannhauser/Lohengrin - Georg Solti: VPO (Decca)
etc., etc.