I would never have guessed: Rachmaninoff's Symphonic Dances.
In the last 10 years I must have heard it performed live 3 times.
Interesting stuff here:
https://bachtrack.com/classical-music-statistics-2023?fbclid=IwAR30b1IsLR2ru7lbSBHFccU11qjPKO32YoejFBN3aWAiCIwIlQ_pxIQU_6o
Mahler and Weil (!) on the rise. Though Mahler's been rising since the 1960s.
