Bach's 'Befiehl du deine Wege,' BWV Anh.79, is an apocryphal setting of the chorale tune, attributed to Bach but often considered by scholars to be by a different composer. Nevertheless, it shares the contemplative and contrapuntal spirit of Bach's authentic works in this genre.
The principal technical focus is on clear articulation of the independent melodic lines and maintaining a steady, serene tempo.
Befiehl du deine Wege (BWV Anh.79) 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 Befiehl du deine Wege (BWV Anh.79) lasts about 3 minutes.
Befiehl du deine Wege (BWV Anh.79) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.