This piece by George Svetlichny is a contemporary work exploring tonal colors and delicate textures. Its distinctive feature is a slow-moving, impressionistic harmonic language.
The student must utilize subtle pedaling and rubato to create an atmospheric soundscape.
Comparable difficulty and character — good candidates for what to learn next.
Bambui is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 4.
You should be comfortable at Henle level 4 — meaning you can already play level 3–4 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 Bambui lasts about 4 minutes.
Bambui is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include 'Abegg' Variations Op.1 by Robert Schumann, At Twilight by Percy Grainger, Berceuse by Germaine Tailleferre — see the full similar-pieces list on this page.