CTT-95 (Op. 14) is a demanding modern etude focusing on keyboard geometry and angular intervals. It is notable for its rigid structure and complex technical requirements.
The wide-span intervals require a flexible and relaxed hand to avoid excessive tension.
Comparable difficulty and character — good candidates for what to learn next.
CTT-95 (Op.14) is rated Henle level 6 of 9 — advanced repertoire, roughly ABRSM grades 7–8.
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 CTT-95 (Op.14) lasts about 5 minutes.
CTT-95 (Op.14) 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 CTT-95 by Peter McKenzie Armstrong, 11/8 by Peter McKenzie Armstrong, 11/8 by Peter McKenzie Armstrong — see the full similar-pieces list on this page.