Songlines: Songs of the East Australian Humpback Whales (1992–2008) features humpback whale song recordings taken off the coast of Eastern Australia during their cycle of migration be

In the 1960s when field recordist Mark Franklin was born, East Australian Humpback whales were near extinction. Their number have since recovered.

Harold Holt loved the ocean, and enjoyed being portrayed as an active and adventurous prime minister.