Black sun 2 continues the exploration of the minimalist aesthetic found in the first part, utilizing similar technical constraints. It distinguishes itself by shifting the harmonic center within the narrow pitch range established in the preceding piece.
Students must focus on producing a nuanced tone quality that keeps the repeated figures from sounding monotonous.
Comparable difficulty and character — good candidates for what to learn next.
Black sun 2 (Op.149b) 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 Black sun 2 (Op.149b) lasts about 3 minutes.
Black sun 2 (Op.149b) 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 Canto del doppio by Fulvio Caldini, Bagliori e tremori, Marginalia No.308 by Fulvio Caldini, Black sun 1 by Fulvio Caldini — see the full similar-pieces list on this page.