Ravel piano concerto for the left hand
Ravel Gaspard de la nuit
Rachmaninoff piano concerto 3 and 2
Chopin everything (piano concertos, preludes, etudes, nocturnes (I love winter wind))
Beethoven piano concerto 3
Schubert fantasie f moll
Mahler Symphonie no 1
Brahms double concerto for violin and cello
mentioning just a few that came into my mind at the moment