This specific setting in A major highlights Reger’s melodic lyricism. It is a sophisticated, understated work that requires significant tonal control and understanding of Romantic phrase shaping.
Maintain a delicate touch for the upper registers while sustaining the bass line effectively.
Comparable difficulty and character — good candidates for what to learn next.
Allegretto grazioso in A major is rated Henle level 6 of 9 — advanced repertoire, roughly ABRSM grades 7–8. In the RCM system it corresponds to about level 8.
You should be comfortable at Henle level 6 — meaning you can already play level 5–6 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 Allegretto grazioso in A major lasts about 5 minutes.
Allegretto grazioso in A major 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 Allegretto grazioso for Piano by Max Reger, Allegretto grazioso in A major by Max Reger, Caprice in A minor by Max Reger — see the full similar-pieces list on this page.