Mildred Hill, best known for 'Happy Birthday', composed this lyrical salon piece in the late 19th century. It is a gentle, sentimental work typical of Victorian-era piano music.
At Henle 2 this is a beginner-level piece, where steady coordination between the hands is the main hurdle. The main demands: a true singing tone, with the melody floating above the accompaniment; careful pedaling — clarity depends on the foot as much as the fingers; and chord voicing — bringing out one note inside a handful of others.
The primary challenge is balancing the melody against the accompaniment to ensure the song-like quality is preserved.
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.
De Tout Mon Coeur 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 De Tout Mon Coeur lasts about 2 minutes.
De Tout Mon Coeur 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 Für Elise by Ludwig van Beethoven, Dernière pensée musicale by Carl Maria von Weber, Albumblatt für Clara Schumann by Johannes Brahms — see the full similar-pieces list on this page.