This charming piece mimics the sound of a mechanical music box through repetitive high-register melodic figures. It is a quintessential example of Brazilian salon music meant for domestic enjoyment.
Use a light, shallow touch to emulate the delicate quality of a music box mechanism.
Comparable difficulty and character — good candidates for what to learn next.
Caixinha de música is rated Henle level 2 of 9 — beginner repertoire, roughly ABRSM grades 2–3. In the RCM system it corresponds to about level 3.
You should be comfortable at Henle level 2 — meaning you can already play level 1–2 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 Caixinha de música lasts about 2 minutes.
Caixinha de música 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 Bijou by Carlos Pagliuchi, 'Cause I'm in Love by Walter Donaldson, 'Cross the Great Divide by George W. Meyer — see the full similar-pieces list on this page.