▁and ▁enjoyed ▁impro vis ing ▁on ▁the ▁piano ; ▁He ▁also ▁learned ▁to ▁play ▁popular ▁music ▁like ▁Per uv ian ▁w alt z , ▁mar in era , ▁t ango , ▁jazz , ▁all ▁by ▁ear . ▁Per uv ian ▁popular ▁music ▁not ▁only ▁played ▁an ▁important ▁role ▁in ▁the ▁development ▁of ▁It ur ri aga ' s ▁child hood , ▁but ▁also ▁later ▁sh aped ▁his ▁musical ▁cre ativity . ▁In ▁the ▁coast al ▁regions ▁of ▁Peru ▁where ▁he ▁grew ▁up , ▁the ▁most ▁common ▁type ▁of ▁popular ▁music ▁during ▁the ▁first ▁half ▁of ▁the ▁tw enti eth ▁century ▁was ▁música ▁cri ol la . ▁ ▁Although ▁It ur ri aga ' s ▁expos ure ▁to ▁music ▁in ▁his ▁early ▁years ▁was ▁pre domin antly ▁that ▁of ▁popular ▁id i oms , ▁the ▁family ' s ▁Vict rola ▁gram oph one ▁also ▁gave ▁him ▁the ▁opportunity ▁to ▁explore ▁a ▁selection ▁of ▁music ▁and ▁art . ▁Due ▁to ▁the ▁difficulties ▁in ▁properly ▁recording ▁piano ▁and ▁string ▁instruments ▁in ▁ac oust ic ▁and ▁elect rical ▁record ings , ▁most ▁of ▁the ▁re per toire ▁recorded ▁in ▁the ▁ 1 9 2 0 s ▁consisted ▁of ▁short ▁and ▁a rian ▁songs , ▁however , ▁even ▁the ▁vocal ▁record ings ▁were ▁as ▁Po or ▁quality ▁that ▁the ▁singer ' s ▁voice ▁sound ed ▁like ▁" hor rend ous ▁sc ream " ▁and ▁the ▁accomp any ing ▁or chestra ▁was ▁almost ▁in aud ible . ▁However , ▁in ▁an ▁isolated ▁environment , ▁such ▁as ▁the ▁city ▁of