ed ▁Dave ▁Frid mann ▁to ▁produce ▁what ▁would ▁become ▁their ▁final ▁studio ▁album , ▁Num - He av ym et all ic . ▁Num - He av ym et all ic ▁took ▁elements ▁of ▁their ▁previous ▁sound ▁and ▁combined ▁it ▁with ▁Mu ka i ' s ▁newly ▁found ▁experiment ation . ▁Un us ual ▁rh yth ms , ▁effects - lad en ▁guitar ▁lines , ▁and ▁a ▁vocal ▁style ▁which ▁altern ated ▁between ▁punk - in sp ired ▁g rit ▁and ▁spoken ▁word , ▁would ▁eventually ▁be ▁incorpor ated ▁into ▁Mu ka i ' s ▁subsequent ▁band , ▁Z az en ▁Boys . ▁▁ 2 0 0 2 : ▁Break - up ▁ ▁The ▁band ▁then ▁set ▁out ▁on ▁their ▁largest ▁tour ▁ever , ▁playing ▁over ▁thirty ▁dates , ▁to ▁support ▁Num - He av ym et all ic . ▁However , ▁on ▁September ▁ 2 0 , ▁ 2 0 0 2 , ▁the ▁band ▁shock ed ▁fans ▁by ▁announ cing ▁their ▁dissol ution . ▁The ▁reason ▁behind ▁the ▁band ' s ▁dem ise ▁is ▁not ▁entirely ▁clear , ▁although ▁it ▁is ▁widely ▁known ▁that ▁bass ist ▁Kent ar ō ▁decided ▁to ▁leave ▁the ▁band . ▁The ▁other ▁members ▁decided ▁that ▁the ▁band ▁was ▁a ▁specific ▁group , ▁and ▁opt ed ▁to ▁dis band ▁rather ▁than ▁replace ▁Nak ao . ▁Number ▁Girl ▁played ▁their ▁final ▁show ▁on ▁November ▁ 3 0 , ▁ 2 0 0 2 ▁in ▁S app oro . ▁The ▁recording ▁of ▁the ▁performance ▁would ▁later ▁be ▁released ▁as