The following books and sites might be of interest to you.

Song as Artefact: The Reclaiming of Song Recordings Empowering Indigenous Stakeholders—and the Recordings Themselves. Genevieve Campbell. in Circulating Cultures; Exchanges of Australian Indigenous Music, Dance and Media. . ed. Amanda Harris

When Performance Comes before Research: Reflecting on a Tiwi/Non-Tiwi Musical and Research Collaboration " In Collaborative Ethnomusicology: New Approaches to Music Research between Indigenous and Non-Indigenous Australians Melbourne: Lyrebird Press. Genevieve Campbell and Kilapayu Puruntatameri.

Ngarriwanajirri, the Tiwi "Strong Kids Song": using repatriated recordings in a contemporary music project. Genevieve Campbell. Yearbook for Traditional Music, 2012

Sustaining Tiwi Song Practice through Kulama. Genevieve Campbell. Musicology Australia, Special Issue. Special Issue - An Introduction to Sustainability and Ethnomusicology in the Australasian Context. 2013

Tiwi Wives. A Study of the Women of Melville Island, North Australia. Jane Goodale. (1971) University of Washington press

The Tiwi of North Australia. C.W.M A.R. Pilling, A.R. (1960) Holt, Rhinehart and Winston. New York

Ngawurranungurumagi Ngapangiraga Nginingawila. Jennifer Lee. (1993) The Summer Institute of Linguistics. Darwin NT.

Australian Institute of Aboriginal and Torres Strait Islander Studies

PARADISEC - The facility for digital preservation and access to endangered language and music from the Asia Pacific.

The National recording Project for Indigenous Performance in Australia

Tiwi Land Council