The Bootcamp Edition: Chopin Prelude in B minor Op. 28 No. 6

It's the edition that helps students learn the piece, designed by one of the world's leading experts on practicing. 

Every Bootcamp Edition score features hundreds of bite-sized practice challenges to complete. Defeat all the challenges, and you'll be concert ready. 
From Philip Johnston, one of music teaching's best known writers and lateral thinkers, and author of Practiceopedia. Recordings of the pieces are available on YouTube: search for "The Bootcamp Edition".