With Frédéric Chopin’s Fantaisie-Impromptu in c-sharp minor, G. Henle Verlag presents a further Urtext separate issue from among the most popular works of this central composer of romantic piano music. This ear-worm is ''romantic'' in the best sense: stormy, iridescent cascades produced by refined rhythms surround the hymn-like melody of the middle section. It is hardly surprising that Chopin fans easily end up rhapsodizing! What is surprising, however, is that the piece, still so popular today,