Many of those composers wrote pieces for him, including Sergei Prokofiev (Cello Concerto), Paul Hindemith (Cello Concerto), Mario Castelnuovo-Tedesco (Cello Concerto), William Walton (Cello Concerto), Vernon Duke (Cello Concerto), and Igor Stravinsky (Piatigorsky and Stravinsky collaborated on the arrangement of Stravinsky's "Suite Italienne", which was extracted from "Pulcinella", for cello and piano; Stravinsky demonstrated an extraordinary method of calculating fifty-fifty royalties). At a rehearsal of Richard Strauss's "Don Quixote", which Piatigorsky performed with the composer conducting, after the dramatic slow variation in D minor, Strauss announced to the orchestra, "Now I've heard my Don Quixote as I imagined him."