Franz Xaver Wolfgang Mozart, the youngest son of W.A. Mozart, wrote this in a style bridging late Classical and early Romantic traditions. It features tasteful ornamentation and balanced phrasing that reflects his heritage.
At Henle 4 this is an intermediate piece that expects secure technique and real attention to phrasing. The main demands: a true singing tone, with the melody floating above the accompaniment; ornaments that need to sound effortless, not squeezed in; and precise articulation — the difference between crisp and blurred is the piece.
Execute the ornaments with precision and elegance without disrupting the underlying tempo.
Comparable difficulty and character — good candidates for what to learn next.
A level or two down with the same spirit — ideal if this piece is still out of reach.
Where this piece's skills lead: slightly harder works making similar technical demands.
Erinnerung is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 6.
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 Erinnerung lasts about 3 minutes.
Erinnerung 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 12 Variations in B-flat major by Wolfgang Amadeus Mozart, Am spinett by Christian Sinding, Ciacona in F major by Johann Pachelbel — see the full similar-pieces list on this page.