Here is all the info you will need regarding: WHAKAPAPA, TRADITIONAL & TEMPORARY USES, WESTERN PERSPECTIVES, ATUA, KAITIAKI, TRADITION TOOLS, REVIVAL, RARANGA.
Extra links for expanding ideas and thoughts around Taonga Pūoro:
https://news.sounz.org.nz/introduction-to-taonga-puoro-q-a-session-with-jerome-kavanagh/
https://news.sounz.org.nz/introduction-to-taonga-puoro-educational-series/
https://www.bickerton.co.nz/taonga-puoro/
https://www.pantograph-punch.com/posts/te-pu-me-te-oro
https://www.tepapa.govt.nz/discover-collections/read-watch-play/maori/maori-musical-instruments