For 10 points, name this French impressionist composer of Prelude to the Afternoon of a Faun and La Mer.
One work by this composer opens with a flute solo that descends chromatically to a tritone below the original pitch, and then ascends back to the original pitch. A symphonic work by this composer features the sections titled for "dawn to noon" at the title location and the "dialogue between the wind and the waves." A Stephane Mallarmé poem inspired one work by this composer, whose Suite Bergamasque contains Clair de Lune. For 10 points, name this French impressionist composer of Prelude to the Afternoon of a Faun and La Mer.
One work by this composer opens with a flute solo that descends chromatically to a tritone below the original pitch, and then ascends back to the original pitch.
Claude Debussy [or Claude-Achille Debussy]