He
 composed movements representing a mermaid, a guillotine, and a malevolent dwarf for a work inspired by
 three poems by Aloysius Bertrand.
One of this composer's works has an epigraph from Henri de Regnier that describes a laughing river
 god; that piece is his Fountains. He paid homage to Schubert in his eight Valses nobles et sentimentales,
 and composed "Lever du jour," often translated as "Daybreak," for a ballet based on a book by Longus. He
 composed movements representing a mermaid, a guillotine, and a malevolent dwarf for a work inspired by
 three poems by Aloysius Bertrand. This composer of Gaspard de la Nuit also wrote an 1899 piano piece
 evoking a 17th century Spanish dance, which he titled Pavane for a Dead Princess. For 10 points, name
 this French composer of a repetitive work underpinned by a snare drum ostinato, Bolero.
One of this composer's works has an epigraph from Henri de Regnier that describes a laughing river
 god; that piece is his Fountains.
Maurice {Ravel}