Also known as: "Winter Wind"

The complex figuration in the right hand against a march-like bass make No. 11 one of the most impressive etudes.

Huneker wrote:"It takes prodigious power and endurance to play this work, prodigious power, passion and no little poetry. It is open air music, storm music, and at times moves in processional splendor. Small souled men, no matter how agile their fingers, should avoid it."

Jose Iturbi: "The Etude in A minor is about impossible. You can keep it up for a few pages, but for eight pages, who can really do that?"