, ▁in ▁the ▁contest ▁called ▁by ▁the ▁second ▁Latin ▁American ▁Festival ▁in ▁Car ac as . ▁That ▁same ▁year ▁he ▁was ▁called ▁as ▁professor ▁at ▁the ▁National ▁Conserv atory ▁of ▁Music . ▁ ▁In ▁ 1 9 6 3 ▁he ▁tra ve led ▁to ▁the ▁United ▁States , ▁invited ▁to ▁meet ▁and ▁study ▁the ▁work ▁of ▁univers ities ▁and ▁other ▁higher ▁institutions ▁in ▁the ▁field ▁of ▁music . ▁The ▁same ▁year ▁he ▁tra ve led ▁to ▁Santiago ▁de ▁Chile , ▁invited ▁by ▁the ▁University ▁of ▁Chile ▁to ▁attend ▁the ▁Inter - American ▁Congress ▁of ▁Musical ▁Edu c ators . ▁ ▁In ▁ 1 9 6 5 , ▁the ▁committee ▁for ▁the ▁third ▁I bero - American ▁Festival ▁in ▁Washington , ▁D . C ., ▁commission ed ▁him ▁with ▁a ▁sym ph onic ▁work : ▁It ur ri aga ▁composed ▁V iven cias ▁– ▁four ▁pieces ▁for ▁or chestra ▁– ▁which ▁was ▁premier ed ▁by ▁L uk as ▁F oss ▁and ▁the ▁Buff alo ▁Phil harm onic ▁Orchestra , ▁New ▁York . ▁ ▁Between ▁ 1 9 7 3 ▁and ▁ 1 9 7 6 ▁he ▁was ▁director ▁of ▁the ▁National ▁School ▁of ▁Music . ▁In ▁ 1 9 9 9 ▁he ▁was ▁elected ▁as ▁general ▁director ▁of ▁the ▁National ▁Conserv atory ▁of ▁Music . ▁He ▁also ▁served ▁as ▁a ▁professor ▁at ▁the ▁Pont ific al ▁Catholic ▁University ▁of ▁Peru ▁and ▁the ▁National ▁University ▁of ▁San ▁Mar cos . ▁ ▁On ▁November ▁ 2 3 , ▁ 2 0 1 9 , ▁the ▁orch