J.S. Bach's '3 Choral Preludes for Advent and Christmas, WoBWV' are organ pieces that explore festive themes through the lens of chorale harmonization and elaboration. They are rich in harmonic invention and devotional spirit.
The challenge lies in balancing the grandeur of the occasion with the intricate contrapuntal writing.
3 Choral Preludes for Advent and Christmas, WoBWV is rated Henle level 6 of 9 — advanced repertoire, roughly ABRSM grades 7–8. In the RCM system it corresponds to about level 7.
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 3 Choral Preludes for Advent and Christmas, WoBWV lasts about 3 minutes.
3 Choral Preludes for Advent and Christmas, WoBWV is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.