Richard Heinze's Op. 164 is a sentimental character piece typical of 19th-century salon music. It is musically distinctive for its fluctuating minor-key harmonies that evoke a sense of longing.
The performer must master subtle rubato to bring out the nostalgic quality without losing the underlying pulse.
Comparable difficulty and character — good candidates for what to learn next.
's trotzig Dirndl (Op. 164) is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 5.
You should be comfortable at Henle level 4 — meaning you can already play level 3–4 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 's trotzig Dirndl (Op. 164) lasts about 4 minutes.
's trotzig Dirndl (Op. 164) 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 Pavane pour une infante défunte by Maurice Ravel, Waltz in C-sharp minor, No. 2 by Frédéric Chopin, Waltz in A minor by Frédéric Chopin — see the full similar-pieces list on this page.