 Ramba uchiverenga ndima ino - Mupiro wake mukuru munhoroondo yemimhanzi kwaive kutora kwake chikamu mumwaka mishanu yekutanga yeGlyndebourne Festival Opera kumaodzanyemba kweEngland, iyo yakavambwa muna 1934 naJohn Christie nemukadzi wake, muimbi Audrey Mildmay, conductor Fritz Busch uye director Carl Ebert. Ikoko akava nhengo yechikwata chakakurumbira chenyika dzakawanda uye akaita mabasa makuru mumaopera mana aMozart. Vatatu vavo, maopera matatu aDa Ponte, akarekodhwa uye ave achiwanika kubvira ipapo. Akanga arumbidzwa navatsoropodzi seakakatanhamara uye akaisvonaka. Muna 1934 Helletsgruber akaita kutanga kwake muGlyndebourne saDorabella naCherubino, muna 1935 akaimbawo First Lady mu The Magic Flute. Muna 1936 akaimba Donna Elvira kokutanga uye akaramba achiimba Cherubino uye First Lady. Kunyange pashure pokubatanidzwa kweAustriamuna March 1938 akaramba achitora rutivi mumutambo wechiNgezi. 