This piece is a standard modern composition by Dieter Salbert, notable for its abstract harmonic language. It emphasizes dissonance and varying dynamics to convey the 'restless hour' of the title.
Focus on precise control of touch and pedaling to sustain the atmospheric mystery.
Comparable difficulty and character — good candidates for what to learn next.
Biographie einer unruhigen Stunde is rated Henle level 6 of 9 — advanced repertoire, roughly ABRSM grades 7–8. In the RCM system it corresponds to about level 9.
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 Biographie einer unruhigen Stunde lasts about 8 minutes.
Biographie einer unruhigen Stunde 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 Biographie einer unruhigen Stunde by Dieter Salbert, "Todesfuge" by Dieter Salbert, Ballad by David Stanley Smith — see the full similar-pieces list on this page.