Other twentieth-century composers who used octatonic collections include Samuel Barber, Ernest Bloch, Benjamin Britten, Julian Cochran, George Crumb, Irving Fine, Ross Lee Finney, Alberto Ginastera, John Harbison, Jacques Hétu, Aram Khachaturian, Witold Lutosławski, Darius Milhaud, Henri Dutilleux, Robert Morris, Carl Orff, Jean Papineau-Couture, Krzysztof Penderecki, Francis Poulenc, Sergei Prokofiev, Alexander Scriabin, Dmitri Shostakovich, Toru Takemitsu, Joan Tower , Robert Xavier Rodriguez, John Williams and Frank Zappa . Other composers include Willem Pijper , who may have inferred the collection from Stravinsky's "The Rite of Spring", which he greatly admired, and composed at least one piece—his Piano Sonatina No. 2—entirely in the octatonic system .