Artist Joseph Michael and a team of eight film-makers head to Antarctica on the yacht Australis, to discover and record the sights and sounds of icebergs. But before they reach the frozen continent and encounter their first bergs they must face the challenge of the notorious Drake Passage.

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The varied sounds and characters of icebergs begin to reveal themselves to a watching team of film-makers. A small iceberg, Yoko, that fizzes and crackles like a soda drink. The dramatic demise of the soaring ice arch, Valentine.

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Encounters with blue ice and wildlife prove to be life-changing adventures, when photographer Joseph Michael and his companions venture into the crevasse field of a giant glacier, to capture the blue heart of an Antarctic iceberg.

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Joseph Michael and his film-making companions come face-to-face with the heaving splendour of giant icebergs in the waters around the Antarctic Peninsula. Back in New Zealand, they grapple with how to projection map an 'urban iceberg' onto the exterior of the Auckland War Memorial Museum, and how to create a soundscape that blends music with the voices of the icebergs.

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Coming soon to RNZ Podcasts is the new series Voice of Tangaroa, exploring the state of our oceans, and the extraordinary variety of life that calls it home. Released weekly from Thursday 29 February, you can find the episodes in the Voice of Tangaroa or Our Changing World podcast feed wherever you get your podcasts.

Voice of Tangaroa is a joint production between RNZ's Our Changing World and New Zealand Geographic.

Reporting for this series is Public Interest Journalism funded through NZ On Air. You can learn more and read the articles for free at www.nzgeo.com/seas

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