In August, Lorde released her third album, “ Solar Power.” Three weeks later, she put out an EP called “ Te Ao Marama, ” with five songs from the record translated into Maori, the Indigenous language of New Zealand.... The work, and interest in Maori music, has not subsided.... This year, the public broadcaster TVNZ released a documentary series that followed different artists translating and recording their songs in Maori for a second installment of the project....