Black & White is a contemporary solo composition that explores the contrast between light and shadow through harmonic color. It is distinguished by its lyrical melody set against a simple accompaniment.
The technical difficulty is centered on balancing the melody against the accompaniment while maintaining a legato line.
Comparable difficulty and character — good candidates for what to learn next.
Black & White, for piano solo is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 3.
You should be comfortable at Henle level 3 — meaning you can already play level 2–3 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 Black & White, for piano solo lasts about 4 minutes.
Black & White, for piano solo 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 Bunny Victoria Watson by Peter McKenzie Armstrong, 12 Variations in S-Mode by Peter McKenzie Armstrong, 12 Variations in S-Mode by Peter McKenzie Armstrong — see the full similar-pieces list on this page.