Mike Leghorn wrote: >Could it be his piano concerto? I thought the correct works were already specified in a previous post. Well this should resolve the question of what work it is: http://us.imdb.com/title/tt0120663/fullcredits Just scroll down to non-original music and you will see Ligeti billed with the piano music "No.2: Mesto, Rigido e Cerimonale" from "Musica ricercata" 1950 David Whitbeck