Homer Grunn, an American composer, wrote this atmospheric character piece depicting rainfall. It relies on subtle textures to evoke its programmatic title.
Students must focus on non-legato finger strokes to simulate the sound of falling rain.
Comparable difficulty and character — good candidates for what to learn next.
'Tis Raining is rated Henle level 2 of 9 — beginner repertoire, roughly ABRSM grades 2–3. In the RCM system it corresponds to about level 2.
You should be comfortable at Henle level 2 — meaning you can already play level 1–2 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 Raining lasts about 2 minutes.
'Tis Raining 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 By Starlight by Luois Lavater, By Starlight by Louis Lavater, Blätterrauschen by Gustav Lange — see the full similar-pieces list on this page.