. "nyu" . . "Variations on a theme by Clara Wieck." . . "Variations (Piano)" . . . . . "2018-04-18" . . . . "Kreisleriana ; Variations on a theme by Clara Wieck" . "3688972" . "Piano music" . . . . . . "3688972" . "1969" . . . . . . . . . . . "zxx" . . . . "Sonatas (Piano)--Excerpts" . . "Columbia Masterworks" . . . . "1969" . . "New York" . . "Horowitz" . "Vladimir" . "Vladimir Horowitz" . "1903" . "1989" . . "Piano music" . . . "Masterworks" . "Masterworks." . . "Schumann" . "Robert" . "Robert Schumann" . "1810" . "1856" . . "Sonatas," . . . "Schumann" . "Robert" . "Robert Schumann" . "1810" . "1856," .