Schubert's D.166 is a dramatic and lyrical piano piece that tells a story through its shifting moods and expansive melodies. It showcases his masterful command of harmonic progression and thematic development.
Developing a rich, singing tone and handling the extensive dynamic range are crucial technical challenges.
Amphiaraos (D.166) is rated Henle level 6 of 9 — advanced repertoire, roughly ABRSM grades 7–8. In the RCM system it corresponds to about level 9.
You should be comfortable at Henle level 6 — meaning you can already play level 5–6 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 Amphiaraos (D.166) lasts about 8 minutes.
Amphiaraos (D.166) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.