Bossa Glossa is a stylistic synthesis of Bossa Nova rhythmic sensibilities with post-tonal harmonic glosses. It creates an engaging dialogue between the laid-back groove of the genre and more elaborate, virtuoso melodic filigree.
Developing a fluid, independent left-hand groove while keeping the syncopated melodic line light is the main technical challenge.
Comparable difficulty and character — good candidates for what to learn next.
Bossa Glossa 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 Bossa Glossa lasts about 3 minutes.
Bossa Glossa 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 Bella Ciao Variations by Dario Argentesi, Beachside Reggae Prelude by Dario Argentesi, Beagles and Little Folks Suite by Dario Argentesi — see the full similar-pieces list on this page.