New Zealand's Kiri Te Kanawa, hailed as one of the greatest sopranos of the modern age, officially announced her retirement on September 13, 2017 at the age of 73. Denis Sinyahok / AFP
New Zealand's Kiri Te Kanawa, hailed as one of the greatest sopranos of the modern age, officially announced her retirement on September 13, 2017 at the age of 73. Denis Sinyahok / AFP

Kiwi opera diva Te Kanawa announces retirement