Heitor Villa-Lobos' 'As três Marias, W411' is a poignant and lyrical piano piece, likely a character sketch or a short miniature. It is known for its expressive melody and rich harmonic language, characteristic of Villa-Lobos' style.
Focus on creating a deeply expressive and singing tone, utilizing sensitive pedaling to enhance the harmonic colors.
As três Marias, W411 is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 7.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 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 As três Marias, W411 lasts about 4 minutes.
As três Marias, W411 is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.