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. Chopin on Spotify https://open.spotify.com/album/5RFPR9xUOAHPoTvuLMwqpC Chopin Amazon https://www.amazon.com/Chopin-Essential-Collection-Fr%C3%A9d%C3%A9ric/dp/B00KNTJ8YC/ Best of Chopin https://us.napster.com/artist/frederic-chopin/album/chopin-the-essential-collection Chopin Compilation https://listen.tidal.com/album/30344018 Frederic Chopin https://www.deezer.com/us/album/7857432 Best of Chopin Playlist https://music.youtube.com/playlist?list=OLAK5uy_k3UamhvL2pVn3hfE7JS9dj-uWbv0ikr_o