About the only thing to match them is the Fijian male choirs. The biggest bloke doing the tenor and the runt doing the bass. In 1958 to 60 the Suva radio station would close at 10.30 , usually with a male choir doing Isa Lei. Another hair raising memory.
While Maori was banned at school, we learned a lot of the traditional games and songs in primary schools, they were in the country which might have helped.