Liszt made numerous textual changes in the final revision of the set, adapting the technical demands to facilitate execution on pianos with heavier keyboard action.

In his edition of the work, Ferruccio Busoni respectively called them Fusées (Rockets) and Appassionata, and these titles are occasionally used in modern performance.

However, these alternate titles were never approved by Liszt himself, and, generally, in scholarly reference, in performance, and in authoritative urtext editions like those published by G. Henle Verlag, these two études are referred to only by their performance indications: Molto vivace and Allegro agitato molto, respectively.

[4][5][6] Liszt's original idea was to write 24 études, one in each of the 24 major and minor keys.

In 1897–1905 the Russian composer Sergei Lyapunov wrote his own set of Douze études d'exécution transcendante, Op.