"SIKKEMA, MARTEN |f [tekstdichter]" . "Widzesang 1944, zangstem, piano (1948, a)" . . "Widzesang 1944, zangstem, piano (1948, a)" . . . "402746" . . "194178" . "FOLKERTSMA, PAULUS |f [componist]" . "194178 402746 FOLKERTSMA, PAULUS |f [componist] SIKKEMA, MARTEN |f [tekstdichter] Widzesang 1944, zangstem, piano (1948, a)" . . "402746" . .