Frederic Woodman Root's '2 Nocturnes No.1' is a charming piece that likely emphasizes a sweet melody and simple, effective accompaniment.
Focus on achieving a clear, singing melody and precise articulation of the accompanying figures.
2 Nocturnes No.1 is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 7.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 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 2 Nocturnes No.1 lasts about 5 minutes.
2 Nocturnes No.1 is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.