Originally a show tune transcription, this piece highlights early 20th-century American melodic style. It is distinguished by its lyrical approach to the banjo theme, rather than a strictly percussive one.
The main difficulty is phrasing the melody with an appropriate 'swing' while maintaining a clean left hand.
Comparable difficulty and character — good candidates for what to learn next.
Banjo Eyes is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 5.
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 Banjo Eyes lasts about 3 minutes.
Banjo Eyes 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 Bmini Bay by Richard Armstrong Whiting, Belle of the Ball by Leroy Anderson, Waltz in A minor by Frédéric Chopin — see the full similar-pieces list on this page.