Mily Balakirev re-arranged the second movement of this composer's Piano Concerto No.1 in E minor for solo piano.  This composer's Fantasie-Impromptu begins with a G-sharp chord followed by a C-Sharp chord.  One of his pieces is, except for one note, played only on black keys, and another was supposedly based off the composer watching a dog (*) chasing its tail.  This composer of the Black Key Etud
Mily Balakirev re-arranged the second movement of this composer's Piano Concerto No.1 in E minor for solo piano.  This composer's Fantasie-Impromptu begins with a G-sharp chord followed by a C-Sharp chord.  One of his pieces is, except for one note, played only on black keys, and another was supposedly based off the composer watching a dog (*) chasing its tail.  This composer of the Black Key Etude and the Minute Waltz expanded on the nocturne and introduced the ballade as a standard type of piece.  For 10 points, name this Polish composer of many etudes, mazurkas, and polonaises, who wrote many works for the piano.
Mily Balakirev re-arranged the second movement of this composer's Piano Concerto No.1 in E minor for solo piano.  
Frederic {Chopin}