. "130066" . "97158" . . "106515 130066 130960 97158 SCHUBERT, FRANZ |f [componist] Sonates, piano 4h, D. 812, C gr.t. (1824, op. posth. 140, Grand Duo)" . . "Sonates, piano 4h, D. 812, C gr.t. (1824, op. posth. 140, Grand Duo)" . . "SCHUBERT, FRANZ |f [componist]" . "130960" . . . "Sonates, piano 4h, D. 812, C gr.t. (1824, op. posth. 140, Grand Duo)" . "97158" . "106515" .