'Sounds Of The Unborn'; Whale Calls Help Map The Ocean Floor

Scientists trying to map the Pacific Ocean floor got an unexpected assist from the world's second-largest mammal: fin whales. Václav Kuna made the discovery and joins us with more. And, Luca Yupanqui's debut album "Sounds of the Unborn" was recorded while she was still in the womb. Her parents talk about the process behind the album.