Carl Czerny - Études de Mécanisme, Op. 849 | Library of Music

Czerny's Études de Mécanisme, Op. 849, is a collection of technical exercises designed to develop finger strength, dexterity, and overall technique for pianists. These etudes are often used as a preparatory step before tackling more advanced works by Chopin, Liszt, or even Czerny's own School of Velocity (Op. 299) and The Art of Finger Dexterity (Op. 740).