<0xBF> ).   S ijo ▁is ▁a ▁po etic ▁form ▁consisting ▁of ▁three ▁lines , ▁each ▁with ▁four ▁feet , ▁tradition ally ▁s ung ▁very ▁slowly .   In ▁Korean ▁verse , ▁a ▁foot ▁is ▁generally ▁a ▁short ▁s ynt actic ▁unit , ▁such ▁as ▁a ▁n oun ▁with ▁an ▁ad jective ▁or ▁a ▁verb ▁with ▁an ▁ad verb . ▁For ▁example : ▁ ▁Trans lation : ▁ ▁Can ▁tiny ▁insect s ▁dev our ▁a ▁whole ▁great ▁spread ing ▁p ine ? ▁ ▁Where ▁is ▁the ▁long - bil led ▁wood pe cker ? ▁Why ▁is ▁he ▁not ▁here ? ▁ ▁When ▁I ▁hear ▁the ▁sound ▁of ▁falling ▁trees , ▁I ▁cannot ▁contain ▁myself ▁for ▁sorrow . ▁ ▁Here , ▁like ▁other ▁Korean ▁musical ▁forms , ▁each ▁foot ▁can ▁stand ▁on ▁its ▁own .   As ▁s ijo ▁were ▁s ung ▁in ▁Korean , ▁the ▁pione ering ▁of ▁H ang ul ▁created ▁the ▁possibility ▁for ▁s ijo ▁to ▁be ▁written ▁down ▁without ▁the ▁use ▁of ▁substitution s ▁such ▁as ▁I du ▁script . ▁The ▁first ▁copy ▁of ▁s ijo ▁is ▁of ▁the ▁' Tw elve ▁Songs ▁of ▁D os an ' ▁by ▁Y i ▁H w ang ▁written ▁in ▁ 1 5 6 5 , ▁which ▁were ▁written ▁ 1 0 0 ▁years ▁after ▁the ▁pro clam ation ▁of ▁H ang ul . ▁Additionally , ▁the ▁first ▁anth ology ▁of ▁s ijo ▁was ▁compiled ▁by ▁Kim ▁Che ont a ek ▁in ▁ 1 7 2 8 ; ▁before ▁the ▁anth ology ▁few ▁s