Bach's "3 Corali" (likely referring to individual chorale preludes or arrangements) are masterworks of Baroque keyboard writing, often featuring intricate contrapuntal treatment of well-known Lutheran hymns. They showcase deep harmonic understanding and profound expression.
Requires careful attention to voice leading, articulation, and creating a noble, singing tone.
3 Corali is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 7.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 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 3 Corali lasts about 2 minutes.
3 Corali is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.