A modest and sentimental character piece often found in older sheet music anthologies for home entertainment. Its simplicity and earnest harmonic progression make it an accessible example of late romantic parlor music.
Avoid over-pedaling so the simple harmonic shifts remain transparent.
Comparable difficulty and character — good candidates for what to learn next.
'Till Then is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 4.
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 'Till Then lasts about 3 minutes.
'Till Then 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 Prelude in E minor, No. 4 by Frédéric Chopin, Black and Blue by Fats Waller, 'Who Knows?' by Ernest Roland Ball — see the full similar-pieces list on this page.