This is an example of "gondang" music — a style of music performed by the Batak Toba people of Northern Sumatra in Indonesia. A performance in this style is featured on our recently-launched anthology “Excavated Shellac: An Alternate History of the World's Music, 1907-1967.” A typical gondang ensemble features the taganing (a set of five tuned drums, with a deeper sixth drum called the gordung), the double-reed instrument known as the sarune bolon, a set of suspended gongs, and the hesek, a piec