This is old and a bit of a ropey video, but worth hearing. Zantheum, who uploaded this to YouTube, provides the context:
The last song performed by Heavenly Bodies with Lisa Gerrard on vocal, as the opening act's performance before a few Dead Can Dance's "Spleen And Ideal" shows in 1986. And this one was taken in the Hochschule für Technik Mensa, Bremen on 28-May-1986.
[Part of Lisa Gerrard weekend]