The opening indication is "Vivacissimo e brioso." While "Vivacissimo" means "most vivace," "vivace" itself is often misunderstood to mean "fast," when in fact it means "lively" or "spirited." Thus, it signifies "most lively" and "brisk" (brioso).

While this may be the author's personal interpretation, I believe this etude is a positive expression of "joy" and "excitement," and certainly not an expression of "sadness" or "anger." Please consider it an expression of thrilling enjoyment or inexpressible delight.

Therefore, although I stated that "Vivacissimo" does not specifically mean "very fast," a tempo that is too slow will sound heavy. A tempo of approximately quarter note = 150 is desirable.

Next, pay attention to the sforzandos. Most sforzandos are written on the first beat; these should be emphasized. Furthermore, accents are written on off-beats, such as the second and third beats; these must also be strictly observed.

From measures 11 to 23, the bass suddenly disappears, and most notes in both the left and right hands become staccato. Play lightly and joyfully.

Above all, play this etude joyfully and brilliantly.