▁his ▁compos itions ▁to ▁the ▁libre tt ist ▁Fritz ▁Lö hner - B eda ▁who ▁was ▁so ▁im pressed ▁that ▁he ▁became ▁very ▁instrument al ▁in ▁Be er ' s ▁bud ding ▁career . ▁Their ▁first ▁collaboration , ▁, ▁which ▁also ▁included ▁the ▁libre tt ist ▁, ▁premier ed ▁on ▁ 3 1 ▁March ▁ 1 9 3 4 ▁at ▁the ▁Zürich ▁Opera ▁House ▁and ▁subsequently ▁tou red ▁extens ively ▁in ▁Europe ▁and ▁South ▁America . ▁ ▁Joseph ▁Marx ▁wrote ▁a ▁con gr at ul atory ▁letter ▁to ▁his ▁former ▁pup il , ▁enthus iast ically ▁stating ▁that ▁in ▁his ▁first ▁work , ▁Be er ▁had ▁displayed ▁a ▁knowledge ▁and ▁master y ▁that ▁" f ew ▁established ▁oper etta ▁compos ers ▁possess ." ▁Be er ▁was ▁bare ly ▁ 2 5 ▁years ▁old . ▁ ▁Be er ' s ▁second ▁work , ▁Die ▁Pol n ische ▁Hoch zeit ▁to ▁a ▁libre tto ▁by ▁Fritz ▁Lö hner - B eda ▁and ▁Alfred ▁Gr ün wald , ▁premier ed ▁in ▁Zur ich ▁in ▁ 1 9 3 7 . ▁It ▁saw ▁trem end ous ▁success ▁and ▁was ▁performed ▁throughout ▁Europe ▁on ▁some ▁ 4 0 ▁stages ▁( including ▁the ▁Theater ▁an ▁der ▁Wien ▁in ▁Vienna , ▁the ▁Te atr ▁Wiel ki ▁in ▁Wars aw , ▁and ▁the ▁Teatro ▁Font al ba ▁in ▁Madrid ) ▁and ▁translated ▁into ▁eight ▁languages ▁in ▁the ▁space ▁of ▁a ▁couple ▁of ▁years . ▁ ▁Following ▁the ▁An schluss ▁in ▁ 1 9 3 8 , ▁Be er ▁had ▁to ▁fle