Which singer joined Mel Gibson in the movie Mad Max: Beyond The Thunderdome?

Mad Max Beyond Thunderdome (also known as Mad Max 3: Beyond Thunderdome or simply Mad Max 3 or Thunderdome) is a 1985 Australian post-apocalyptic action adventure film directed by George Miller and George Ogilvie, distributed by Warner Bros., and written by Miller and Terry Hayes. In this sequel to Mad Max 2: The Road Warrior, Max (Mel Gibson) is exiled into the desert by the corrupt ruler of Bartertown, Aunty Entity (Tina Turner), and there encounters an isolated cargo cult centred around a crashed Boeing 747 and its deceased captain. The third installment in the Mad Max film series, it was followed in 2015 by Mad Max: Fury Road.