The second volume of the New Liszt Edition, published in 1971, continues the publication of the études. The first volume contained the Transcendental Etudes, while this volume contains several smaller series of études and one independent étude. The widely used subtitles of Trois Études de Concert (1. Il lamento, 2. La leggerezza, and 3. Un sospiro) are now thought not to originate from Liszt. They were probably invented by a Paris publisher. The Ab irato is a virtuoso concert étude arrangement ...