Pyotr Ilyich Tchaikovsky's Op. 46, 'The Seasons,' is a popular set of character pieces, with individual movements often arranged for two pianos. These are evocative miniatures reflecting different times of the year, each with distinct moods and technical challenges.
Develop a wide range of tonal colors and control over complex textures and rapid articulation.
6 Duets (Op.46) 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.
A typical performance of 6 Duets (Op.46) lasts about 9 minutes.
6 Duets (Op.46) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.