<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo uNksz von Stade wafunda eMannes College of Music eNew York City.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yomusho ithi UMiss von Stade wafunda eMannes College of Music eNew York City futhi waqala ukusebenza eMetropolitan Opera ngo-1970. 