Blind Tom's Mazurka captures the stylized nationalistic flavor of the mazurka, incorporating the characteristic rhythmic accentuation of the genre. It reflects the eclectic musical ear of Wiggins, who absorbed various 19th-century idioms.
Emphasis must be placed on the characteristic second-beat accent of the mazurka rhythm.
Comparable difficulty and character — good candidates for what to learn next.
Blind Tom's Mazurka is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 6.
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 Blind Tom's Mazurka lasts about 4 minutes.
Blind Tom's Mazurka 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 Blind Tom's Waltz by Thomas "Blind Tom" Wiggins, Blind Tom's March by Thomas "Blind Tom" Wiggins, Waltz No. 2 by Dmitri Shostakovich — see the full similar-pieces list on this page.