▁own ▁Nob at ▁ens emb les , ▁with ▁instrument ation ▁differ ing ▁by ▁state . ▁The ▁K ed ah ▁and ▁Per ak ▁ens emb les ▁are ▁the ▁oldest ▁in ▁the ▁feder ation , ▁while ▁Terr eng anu ' s ▁and ▁Sel ang or ' s ▁uses ▁loan ed ▁sets ▁( the ▁former ▁from ▁the ▁R ia u - L ing ga ▁Sultan ate , ▁last ▁used ▁there ▁in ▁ 1 9 1 0 , ▁and ▁the ▁latter ▁as ▁a ▁complete ▁set ▁from ▁Per ak ▁given ▁when ▁the ▁state ' s ▁first ▁r uler ▁was ▁ent hr oned ). ▁Kel ant an ' s ▁ensemble , ▁reform ed ▁in ▁ 2 0 1 6 , ▁is ▁the ▁young est ▁( ex isting ▁since ▁the ▁early ▁ 2 0 th ▁century ). ▁It ▁is ▁term ed ▁Pas uk an ▁G end ang ▁Bes ar ▁only ▁in ▁that ▁state ▁unlike ▁the ▁ 4 ▁others ▁in ▁which ▁no bat ▁is ▁used . ▁ ▁A ▁typical ▁arrangement ▁has ▁six ▁instruments : ▁the ▁g end ang ▁neg ara ▁(" state " ▁or ▁large , ▁two - head ed ▁drum ) ▁ ▁g end ang ▁i bu ▁(" m other " ▁g end ang ) ▁g end ang ▁an ak ▁(" child " ▁g end ang ) ▁ ▁one ▁to ▁two ▁ser un ai ▁( fl ute ▁or ▁clar inet ) ▁na fi ri ▁( tr ump et ) ▁ ▁c ak le mp ong ▁( small ▁g ong ). ▁ ▁The ▁K ed ah an ▁Nob at ▁adds ▁a