Bach's 'Alla Breve' BWV 589 is a brilliant and energetic organ prelude in duple meter, often transcribed for piano. It is characterized by its contrapuntal textures and clear, driving rhythm, showcasing Bach's mastery of fugal writing.
Developing clear articulation and precise rhythmic execution in the contrapuntal lines is the key technical challenge.
Alla Breve D-Dur BWV 589 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 Alla Breve D-Dur BWV 589 lasts about 2 minutes.
Alla Breve D-Dur BWV 589 is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.