<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo uTheremin kamuva wakha imodeli yesithathu, encane kakhulu ngemuva kokubuyela kwakhe eSoviet Union ngasekupheleni kwawo-1930.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yomusho ithi U-Theremin kamuva wakha imodeli yesithathu ngemuva kokubuyela kwakhe eSoviet Union ngasekupheleni kwawo-1930, manje esehlala eTheremin Center eMoscow, yize ingasebenzi okwamanje. 