urm ▁( 1 9 5 6 ), ▁and ▁Carl ▁Or ff ' s ▁Der ▁Mond ▁( 1 9 5 6 ). ▁Other ▁roles ▁for ▁him ▁with ▁the ▁company ▁included ▁King ▁Kas par ▁in ▁Gian ▁Carlo ▁Men otti ' s ▁Ama hl ▁and ▁the ▁Night ▁Vis itors ▁( 1 9 5 2 ) ▁and ▁Leo ▁Hub b ard ▁in ▁Bl itz stein ' s ▁Regin a . ▁ ▁In ▁ 1 9 5 7 ▁Pol lock ▁moved ▁away ▁from ▁performance ▁to ▁focus ▁on ▁working ▁as ▁a ▁stage ▁director ▁at ▁the ▁NY CO . ▁He ▁not ably ▁directed ▁the ▁NY CO ' s ▁first ▁mount ings ▁of ▁Wolfgang ▁Ama de us ▁Moz art ' s ▁Die ▁Ent führung ▁aus ▁dem ▁Ser ail ▁( 1 9 5 7 ), ▁Leonard ▁Bern stein ' s ▁Tr ouble ▁in ▁T ah iti ▁( 1 9 5 8 , ▁conducted ▁by ▁the ▁composer ), ▁the ▁first ▁professional ▁production ▁of ▁Mark ▁Buc ci ' s ▁T ale ▁for ▁a ▁De af ▁Ear ▁( 1 9 5 8 ), ▁and ▁the ▁world ▁premi ere ▁of ▁Robert ▁Ward ' s ▁He ▁Who ▁G ets ▁S la pped ▁( 1 9 5 9 ) ▁among ▁others . ▁ ▁From ▁the ▁ 1 9 6 0 s ▁through ▁the ▁ 1 9 8 0 s , ▁Pol lock ▁taught ▁singing ▁and ▁directed ▁opera ▁theatre ▁programs ▁at ▁various ▁institutions ; ▁not ably ▁serving ▁on ▁the ▁fac ult ies ▁of ▁Florida ▁State ▁University ▁and ▁Indiana ▁University ▁among ▁others . ▁He ▁died ▁in ▁San ▁Diego , ▁California