ert in sky , ▁helping ▁Lok sh in ' s ▁return ▁to ▁Moscow ▁after ▁the ▁end ▁of ▁the ▁war . ▁He ▁was ▁able ▁to ▁take ▁the ▁state ▁exam in ations , ▁obtained ▁the ▁Conserv atory ▁di pl oma ▁with ▁Wait ▁for ▁me ▁as ▁the ▁di pl oma ▁work . ▁Then , ▁with ▁Nikol ay ▁My ask ov sky ' s ▁support , ▁Lok sh in ▁was ▁h ired ▁as ▁Ass istant ▁L ect urer ▁in ▁Inst rument ation ▁at ▁the ▁Moscow ▁Conserv atory . ▁In ▁this ▁capacity ▁he ▁worked ▁from ▁ 1 9 4 5 ▁to ▁ 1 9 4 8 , ▁the ▁only ▁working ▁position ▁held ▁by ▁the ▁composer ▁during ▁his ▁entire ▁life . ▁ ▁The ▁Z hd an ov ▁p urg es ▁At ▁the ▁height ▁of ▁the ▁anti - cos m opol it ism ▁campaign ▁and ▁music ▁p urg es ▁of ▁ 1 9 4 8 , ▁directed ▁by ▁And rey ▁Z hd an ov , ▁Lok sh in ▁was ▁exp elled ▁from ▁the ▁Moscow ▁Conserv atory ▁for ▁popular izing ▁among ▁his ▁students ▁what ▁was ▁considered ▁to ▁be ▁the ▁ide olog ically ▁al ien ▁music ▁of ▁Mah ler , ▁Alban ▁Berg , ▁Stra vin sky , ▁and ▁Sh ost akov ich . ▁E ff ort s ▁by ▁Nikol ay ▁My ask ov sky , ▁Maria ▁Y ud ina , ▁and ▁Y el ena ▁G nes ina ▁to ▁get ▁him ▁another ▁job ▁were ▁fruit less , ▁and ▁for ▁the ▁rest ▁of ▁his ▁life ▁Lok sh in ▁supported ▁his ▁family ▁by ▁compos ing