A virtuosic and aggressive work by Villa-Lobos that utilizes jagged rhythms and thick, percussive chords. It is a striking example of modern Brazilian piano writing that pushes technical limits.
Mastering the wide-spanned, aggressive chords is the key challenge here.
Bailado infernal, W160 is rated Henle level 7 of 9 — late advanced repertoire, roughly ABRSM grade 8 and above. In the RCM system it corresponds to about level 10.
You should be comfortable at Henle level 7 — meaning you can already play level 6–7 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of Bailado infernal, W160 lasts about 4 minutes.
Bailado infernal, W160 is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.