附註:Smithsonian/Folkways: CD SF 40420 (on container: SF 40420).
"Music from three ethnic groups: the Toba and Karo of North Sumatra and the Ono Niha of Nias"--Container.
Compact disc.
Program notes by Philip Yampolsky, Esther L. Siagian, and Calvin Dachi ([24] p. : ill., map, music)--inserted in container.
