Frédéric Chopin (1810-1849): from 12 Études opus 25: no. 9, "Butterfly" in G flat major. I selected seven quite different historic recordings of this piece and put them in chronological order: 1. Wilhelm Backhaus (1884-1969), 1908 2. Ignacy Jan Paderewski (1860-1941), 1917 3. Leopold Godowsky (1870-1938), 1926 4. Ignaz Friedman (1882-1948), 1928 5. Alfred Cortot (1877-1962), 1934 6. Claudio Arrau (1903-1991), 1956 7. Vladimir Ashkenazy (b. 1937), 1959 It will be interesting to know what your preferences are, and why!