Watch the real notes fall, slow it down, and learn Prelude: Op. 28, No. 20 by Frédéric Chopin at your own pace.
Prelude: Op. 28, No. 20 is rated advanced in Keys. It's a more advanced piece — expect faster passages and bigger reaches, well worth drilling section by section.
Yes — the player above runs from 0.25× to full speed. The Keys app adds audio, looping, and Learn Mode for the whole song.
Open Prelude: Op. 28, No. 20 in Keys — watch the notes fall toward the keyboard, slow it down, loop the hard parts, and learn it at your own pace on iPhone or iPad.