 Grebe rili wok for a long time as pesin wey dey stodis pipul kolsho an how dem dey like as sosaheti. Na how Chile kolsho an how di pipul dey du e fokus e wok pass. Grebe as eddy du e risach, go waka abaut di kontri as e dey go one festival or serimoni to anoda one. E go stil dey ask pipul kweshon from one topik to anoda. Grebe na professor wey don hey in di Dipatmet of Anthropology wey de Yunivasiti of Chile. Na di Yunivasiti e tek tish onti e ritaya in 2008. Grebe stil wok in di Dipatmet of Medisine as e stodi Mapuche tradishonal medisine. Pipul sabi Grebe wel wel for di wok wey e du as etek stodis how difren difren kolshor dey mek muzik an how di muzik dey du pipul wey dey lisin to dem. Grebe stodi muzikal tradishon of Mapuche an pipul wey dey stey in Chile. In 1964 an in 1977, dey give Grebe Guggenheim Fellowship awod mek e yuz am tek forda e muzikal risach. 