Dvorak composed the great Czech national opera, Rusalka in a single burst of inspiration between April 21 and November 27, 1901, to a text by Jaroslav Kvapil based on Hans Christian Andersen. Rusalka is a Bohemian 'Little Mermaid'. In the aria Mesiku na nebi hlubokem (The Song to Moon), Rusalka has fallen in love with a Prince. Unfortunately, Rusalka is a water sprite and cannot come out of the water or communicate with him. She asks the moon to tell her love that she is thinking of him. The Son...