. . "1912-01-01T00:00:00Z"^^ . . "Etude op. 10, no. 12 (Revolutions-Etude) /"@en . . . . . . . . . . . . . . "594" . "Etude op. 10, no. 12 (Revolutions-Etude)"@en . "Etude op. 10, no. 12 (Revolutions-Etude)"@en . "Etude op. 10, no. 12 (Revolutions-Etude)"@en . . . . . . . "piano roll published by M. Welte & S\u00F6hne in 1912"@en .