Étude Op. 10, No. 4 (Chopin) - Wikipedia, the free encyclopedia
Étude Op. 10, No. 4, in C-sharp minor, is a study for solo piano composed by Frédéric Chopin in 1830. It was first published in 1833 in France,[1] Germany,[2] and England[3] as the fourth piece of his Études Op. 10. This passionate study, a very fast Pres...