Étude Op. 25, No. 5 in E minor, is a technical study composed by Frédéric Chopin in 1837. Marking a serious departure in the expected technique developed previously, Chopin wrote this étude with a series of quick, dissonant minor seconds. The effect has earned the étude the nickname "Wrong Note".
Mae'r testun uchod ar gael o dan drwydded y CC BY-SA 3.0. Mae'n defnyddio deunydd o erthygl Wicipedia "Étude Op. 25, No. 5 (Chopin)".