Spinifex Gum: the girlsâ choir that has put Pilbara life on stage By Cat Woods Save Normal text size Advertisement The haunting choral harmony that breaks the dark night, ethereal and resonant, wields the power to silence the audience and, seemingly, to transcend time and place. From the Sydney Opera House stage, 18 Indigenous girls holding microphones look assuredly to the audience. â Since the dreaming began, our ancestors have taken care of country, and we continue their caretaking of the land and sea. We thank you for inviting us on to your country to share our stories, share our songs,â sings the Marliya Choir.