Kendang
Kendang is one of the primary instruments used in the Gamelan ensembles of Javanese , Sundanese , Balinese Lombok , and Terengganu , the Kendang ensemble as well as various Kulintang ensembles in Indonesia , Malaysia , Singapore , Brunei , and the Philippines . 
<triplet> Indonesia <subj> Javanese <obj> ethnic group <subj> Sundanese <obj> ethnic group <subj> Balinese <obj> ethnic group