These romances showcase Tchaikovsky's gift for melody and emotional depth, often setting poignant poetry to music.
Emphasize expressive phrasing and the ability to color the sound according to the text.
6 Romances and Songs (Op.27) is rated Henle level 7 of 9 — late advanced repertoire, roughly ABRSM grade 8 and above. In the RCM system it corresponds to about level 9.
You should be comfortable at Henle level 7 — meaning you can already play level 6–7 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
6 Romances and Songs (Op.27) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.