Classics you can't have too many recordings of

Please share your favorite compositions that you just can't have too many recordings (interpretations) of. For me it's " Pictures at an Exhibition"
Any and all and In no particular order of the following fab three;
Puccini, Rossini and Verdi,
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Shostkovich's 24 Preludes and Fugues

Monk's Blues (well, I think it's a classic)
Beethoven's piano sonatas. Beethoven's quartets. Beethoven's Symphonies. Did I mention I like Beethoven? Then there is Bach. The Matthew and John passions. The cello sonatas. The Sonatas and Partitas for violin.
Rachmaninoff, Rhapsody on a theme by Paginini
Chopin, Andante Spianato, etudes, nocturnes and waltzes
Haydn piano trios
Mozart piano concertos
Bach Partitas
Dvorak quintets
Gershwin Rhapsody in Blue
all based on having at least 3 or 4 or more of the above in my collection