Whakaotihia te rerenga e whai ake nei: I whānau a Zumpe ki Zwickau. Whai muri i te paahitanga o te Notabitur, i whakauruhia a Zumpe ki te mahi hoia i te tekau ma waru o ona tau. I muri i te mahi i te Rāwhiti me te
Ko ia te herehere o te pakanga tae noa ki te tau 1948. Whai muri i te wa hei kaimahi whare putunga, i whakawhiwhia ia hei kaitiaki pukapuka i Wismut i Johanngeorgenstadt. I whakawhiwhia ki ana wheako anake i a ia e tamariki ana i roto i te whare waiata o te whare waiata o Zwickau, i riro ia hei kaiwhakahaere waiata i roto i te huinga ahurea o Wismut. I konei i kitea ai ia e Rudolf Fischer o te Leipzig Musikhochschule i tetahi whakataetae waiata me te kawe mai ki Leipzig ki te ako.