Chief and Rockapella in “Unfinished Business”

And this is Kneemoi, that anti-social alien from Carmen Sandiego's band of baddies.

(singing) Kneemoi

Her last known whereabouts: Australia. Before the arrival of Europeans, Australia's Aborigines lived in small communal groups which hunted and gathered food. As they traveled from place to place, tribal elders used songs of myth and history as their oral maps. The song lines, called corroboree, are still sung by some present-day Aborigines. Or they were until today when Kneemoi absconded with the songs. She thinks they'd make great disco hits on her home planet Roddenberry. Gumshoes, you got to nail Kneemoi, catch Carmen, and put an end to...

(singing) Woo-woo-ooo-oo

...THE OUTBACK SOUNDTRACK HIJACK!