Rock on the bank of the Rhine River near Sankt Goarshausen in Germany. It produces an echo and is associated with the legend of a beautiful maiden who drowned herself over a faithless lover. She was transformed into a siren who lured fishermen to their death. Clemens Brentano claimed to have invented the essentials of the legend. Heinrich Heine's poem on the Lorelei has been set to music by more than 25 composers.