This Bolero by Danish composer Christian Henrik Glass follows the rhythmic convention of the genre popular in the 19th century. Its distinctive charm lies in the crisp, staccato articulation required to simulate the castanet-like rhythm.
The primary challenge is maintaining clear, detached articulation in the right-hand figures.
Comparable difficulty and character — good candidates for what to learn next.
Bolero (Op.30) is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 5.
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 Bolero (Op.30) lasts about 4 minutes.
Bolero (Op.30) 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 Assemblée Polka by Christian Henrik Glass, Alferne by Christian Henrik Glass, Piano Sonata No. 16 in C major by Wolfgang Amadeus Mozart — see the full similar-pieces list on this page.