This is a variant or edition of Ignasi Adiego's solo piano work focused on cyclical, meditative exploration. It is musically distinguished by its focus on sonority and the slow development of melodic cells.
At Henle 5 this is a late-intermediate piece — technically substantial, with musical demands to match. The main demands: careful pedaling — clarity depends on the foot as much as the fingers; a true singing tone, with the melody floating above the accompaniment; and chord voicing — bringing out one note inside a handful of others.
Developing a consistent touch for the repeated melodic motifs is essential to convey the work's contemplative nature.
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.
El temple infinit is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 8.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 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 El temple infinit lasts about 5 minutes.
El temple infinit 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 El temple infinit (2018) by Ignasi Adiego, Berceuse Op.57 by Frédéric Chopin, Berceuse by Franz Liszt — see the full similar-pieces list on this page.