An arrangement of a traditional spiritual by a seminal African American composer. It is musically notable for its soulful melodic lines and sophisticated harmonic colorings.
The performer must focus on expressive voicing to ensure the melody projects over the rich harmonic texture.
Comparable difficulty and character — good candidates for what to learn next.
'Tis me, O Lord is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 5.
You should be comfortable at Henle level 3 — meaning you can already play level 2–3 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 'Tis me, O Lord lasts about 4 minutes.
'Tis me, O Lord 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 Albumblatt by Johannes Brahms, (Four Note) Pavan by Richard Farrant, Berceuse, H.8d by Frank Bridge — see the full similar-pieces list on this page.