An anonymous 19th-century work that explores emotional heaviness through minor tonality and slow pacing. Its distinctiveness is found in the sudden dynamic shifts between the phrases.
Practice the dramatic dynamic changes to ensure they are musical rather than jarring.
Comparable difficulty and character — good candidates for what to learn next.
'Tis Not the Loss of Love's Assurance 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 'Tis Not the Loss of Love's Assurance lasts about 3 minutes.
'Tis Not the Loss of Love's Assurance 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 Bahçe Duvarından Aştım by Anonymous, 'Tis Past - The Spell is Broken by Anonymous, Arroz con leche by Anonymous — see the full similar-pieces list on this page.