This piece is a romantic character miniature by the contemporary Spanish composer Ramón León Egea. It is distinctive for its lush harmonic language that evokes the salon style of the late 19th century despite its modern origin.
The primary challenge is maintaining a seamless singing tone while navigating subtle inner-voice harmonic shifts.
Comparable difficulty and character — good candidates for what to learn next.
'Dream' Op.63 is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 4.
You should be comfortable at Henle level 3 — meaning you can already play level 2–3 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 'Dream' Op.63 lasts about 3 minutes.
'Dream' Op.63 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 'Sweet Dreams' Op.62 by Ramón León Egea, Black Night by Ramón León Egea, Black Night by Ramón León Egea — see the full similar-pieces list on this page.