étude Op. 25, No. 1 in A-flat major is a solo piano work composed by Frédéric Chopin in 1836, and published in 1837. The work consists entirely of rapid arpeggios and harmonic modulations based on A-flat major.
练习曲作品25第1号是由肖邦于1836年创作并于1837年出版的钢琴作品。该作品完全由快速琶音和基于升A大调的和声组成。