Andras Schiff claimed that a piece written in this key was the most misunderstood piece in music and was meant to be played at the twice the speed most performers do. A piece written in this key opens with a fortissimo descending three-note motif before proceeding into a pianissimo exposition of that same theme. A set of Variations on a Theme of Chopin by Mompou quotes a non-prelude Chopin piece in this key with many cross-rhythms, which Chopin never published. The second piece of the Morceaux de Fantaisie, which is in this key, acquired the nickname (*) "Bells of Moscow." The most famous piece in this key was imitated by Chopin's Fantaisie-Impromptu in the same through a presto agitato movement; that piece in this key opens with eighth note triplets starting on G-sharp and ending on E, played eight times softly. Beethoven's Moonlight Sonata and an 1892 prelude by Rachmaninoff are in -- 
Andras Schiff claimed that a piece written in this key was the most misunderstood piece in music and was meant to be played at the twice the speed most performers do. A piece written in this key opens with a fortissimo descending three-note motif before proceeding into a pianissimo exposition of that same theme. A set of Variations on a Theme of Chopin by Mompou quotes a non-prelude Chopin piece in this key with many cross-rhythms, which Chopin never published. The second piece of the Morceaux de Fantaisie, which is in this key, acquired the nickname (*) "Bells of Moscow." The most famous piece in this key was imitated by Chopin's Fantaisie-Impromptu in the same through a presto agitato movement; that piece in this key opens with eighth note triplets starting on G-sharp and ending on E, played eight times softly. Beethoven's Moonlight Sonata and an 1892 prelude by Rachmaninoff are in -- for 10 points -- what minor key that, like its relative major E, contains four sharps?
Andras Schiff claimed that a piece written in this key was the most misunderstood piece in music and was meant to be played at the twice the speed most performers do.
C-sharp minor [prompt on C-sharp before "minor" and accept it after; do not accept or prompt on "C"]