The Samuil Feinberg Piano Concerti are big, potent works, quite possibly the last of a dying breed of concerto. Unfortunately I have not found a recording of the second concerto, but here are good performances of the first and third.
Piano Concerto 1 in C Major Op 20 Christophe Sirodeau, piano Leif Segerstam conducting the Helsinki Philharmonic Orchestra
movement 1
movement 2
movement 3 part I
movement 3 part II
Piano Concerto 3 in C minor (1947-51) Victor Bunin, piano Gennadi Cherkasov conducting the Ostankino Large Symphony Orchestra